Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, October 28 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

Vehicle Recompete: NA — Idc 75D30122D12953

Active

Federal

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Show more

This contract, managed by the CDC Office of Acquisition Services under the Department of Health and Human Services, is an indefinite delivery vehicle with a ceiling of 5,274,020 dollars. The ordering period for vehicle 75D30122D12953 is set to conclude on April 30, 2027. There is no specific set-aside associated with this procurement, and it is classified under NAICS code 518210. The vehicle has supported task orders for the Ohio Department of Health, with top orders valued at 654,804 dollars each. Current data indicates a medium confidence level that this contract will be a recompete.

General Info

Vehicle recompete contract under VSCP Ohio, $5.27M ceiling, ends April 2027, no active tasks.

Agency

Department Of Health And Human Services → CDC Office Of Acquisition Services

NAICS

518210 - Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

Place of Performance

Not specified

Set-Aside

NONE

Documents

0

No documents available

Documents will appear here when they are available.

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PostedOct 30

pre-forecast

Ready to pursue this opportunity?

Get full access to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyDepartment Of Health And Human Services → CDC Office Of Acquisition Services

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Health And Human Services → CDC Office Of Acquisition Services

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

NA (Idc) — vehicle 75D30122D12953 ordering period ends 2027-04-30T00:00:00.000Z. 0 active task orders valued at $0.
Vscp 2022-2027-ohio Original Solicitation: 75D301-22-Q-74270 IDV Ceiling: $5,274,020 Set-Aside: No set aside used. Contracting Office: CDC Office Of Acquisition Services Agencies: Department of Health and Human Services Classification: recompete-likely (Confidence: medium - 45/100)
Top task orders by value: - VSCP 2022-2027-OHIO ($654,804) - OHIO DEPARTMENT OF HEALTH - VSCP 2022-2027-OHIO ($654,804) - OHIO DEPARTMENT OF HEALTH

Similar Contracts

Same NAICS industry code

Proprietary Financial Data Licensing (SEDOL Masterfile)This subcontract opportunity is for the licensing of the Proprietary Financial Data SEDOL Masterfile to support prime contractors working on projects for the Department of the Treasury Office of Financial Research. The license provides essential financial tools, including unique securities identifiers, ETF PCF Portfolio Data, historical data, and near-time supplemental files. To be eligible, providers must demonstrate legal ownership or authorized licensure of the proprietary database. The contract grants an active twelve-month data license under NAICS code 518210. Interested parties should note the posting date of October 28, 2026, with a response deadline set for November 12, 2026. Performance is associated with the Department of the Treasury.

Department Of The Treasury

POSTED

about 4 hours ago

DEADLINE

Intent to Sole Source- London Stock Exchange

Solicitation # SS-OFR-27-003

The Treasury Common Services Center, acting for the Office of Financial Research and the Financial Stability Oversight Council, intends to award a sole source contract to London Stock Exchange Group PLC for a license to the Stock Exchange Daily Official List (SEDOL) Masterfile. This unique securities identifier is essential for the OFR to maintain its agreement with the Depository Trust and Clearing Corporation and is used to support the qFSI monitor and annual reports mandated by the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010. The anticipated period of performance is a twelve month base period. Although the government intends to proceed with a sole source award due to the exclusive rights held by the London Stock Exchange Group, it is seeking information from qualified contractors to determine if other sources are available. Interested parties must submit their UEI number, company details, product specifications, and a capabilities statement of no more than five pages by 10:00 a.m. EST on November 12, 2026. Submissions must be sent electronically to the designated Treasury email addresses with the specific subject line SS-OFR-27-003 London Stock Exchange- Attn: BCoffman/KZeigler. Only Microsoft Office and Adobe compatible documents are acceptable, and several executable or compressed file extensions are strictly prohibited.

Department Of The Treasury

POSTED

about 4 hours ago

DEADLINE

Branded SMS Gateway and Sender ID (Masking) ProviderThis subcontract agreement establishes the provision of a branded SMS gateway and masking services for prime contractors working on communication projects for Pakistan State Oil Company Ltd. The selected provider is responsible for delivering a fully operational service that includes a branded Sender ID approved by local regulators and a high-availability gateway integrated with internal systems via API. To qualify for this engagement, the provider must hold a valid license from the Pakistan Telecommunication Authority. The project is based in Pakistan, with a response deadline set for November 11, 2026.

Pakistan State Oil Company Ltd

POSTED

about 5 hours ago

DEADLINE

Cloud Infrastructure ServicesThis subcontract opportunity for Cloud Infrastructure Services involves providing cloud hosting and management services for prime contractors working on projects for the Roswell Park Cancer Institute Corporation in New York. The scope of work focuses on the deployment and management of infrastructure necessary to support large-scale enterprise data ecosystems, ensuring the delivery of a secure and scalable cloud environment. The project is categorized under NAICS code 518210. Interested parties should note that the solicitation was posted on October 28, 2026, with a response deadline set for November 12, 2026.

Roswell Park Cancer Institute Corporation

POSTED

about 12 hours ago

DEADLINE

Death Identification Service Nationwide Solution

Solicitation # S-45900-00018281

The Public Employees Retirement System of Oregon is soliciting a nationwide death identification service to verify the deaths of benefit recipients, alternate payees, and beneficiaries to prevent the overpayment of retirement benefits. The selected vendor will provide an independent third-party death registration source capable of processing monthly batch file fact-of-death queries for approximately 420,000 members and 168,000 benefit recipients, as well as supporting roughly 400 individual searches per month for ten staff members. The contract includes an initial four-year term with optional annual renewals up to ten years. Award will be based on a best value analysis considering price, experience, expertise, availability, and resource capacity. The successful offeror must adhere to strict cybersecurity standards, including alignment with NIST, ISO, or CIS frameworks, and maintain certifications such as SOC 2, ISO 27001, or FedRAMP. Required insurance coverages include Commercial General Liability, Professional Liability, and Network Security and Privacy Liability, each with minimum limits of 1 million dollars per occurrence. Proposals are due by November 24, 2026, and the winning vendor must register in the OregonBuys portal for procurement and payment.

Public Employees Retirement System

POSTED

about 17 hours ago

DEADLINE

Database Platform Hosting ServicesThis subcontract for Database Platform Hosting Services provides the necessary cloud or server environment for prime contractors working on State of Alabama I3/IGOV projects. The scope of work includes provisioning secure server space, managing data storage for licensee records, and ensuring consistent monthly platform availability. Eligible providers must utilize secure data center hosting or established cloud infrastructure such as AWS, Azure, or GCP. To qualify, the provider must adhere to all State of Alabama security standards and maintain active E-Verify enrollment. The primary objective of the agreement is the delivery of a functional and accessible monthly hosting environment under NAICS code 518210. This opportunity is managed through the Alabama Administration Unit.

544_ADMINISTRATION UNIT

POSTED

about 18 hours ago

DEADLINE

Streaming Content & JPay IntegrationThis subcontract focuses on the delivery of streaming services and software integration for prime contractors operating within Arizona Department of Corrections, Rehabilitation and Reentry facilities. The scope of work involves providing streamed movies and approved channels, specifically ensuring seamless integration and technical support for content delivery via JPay tablets. All provided content must adhere to the approved channel lists established by ADCRR, COTA, and APH. The project is categorized under NAICS code 518210 and is associated with the Arizona Department of Corrections. Interested parties should note that the response deadline for this opportunity is December 18, 2026. The primary objective is to maintain a fully functional streaming ecosystem integrated directly into the facility's tablet infrastructure.

Arizona Department of Corrections

POSTED

about 21 hours ago

DEADLINE

in about 2 months

P-60214 Public Records Act System Replacement (RFI)

Solicitation # 2026-RFI-0561

The City of Pasadena, through its Information Technology Department, has issued solicitation 2026-RFI-0561 to identify a modern replacement for its aging internal Public Records Act request management system. The objective is to find a solution that supports the operational and procedural requirements of the California Public Records Act, improving request intake, routing, cross-departmental coordination, redaction, and payment processing. The desired system must facilitate the collection and production of responsive records across multiple departments and comply with strict standards, including WCAG 2.1 Level AA accessibility, the California Consumer Privacy Act, and FBI Criminal Justice Information Services Security Policy. This is a Request for Information (RFI) intended to gather industry insights and technical capabilities to inform a future competitive procurement; therefore, no contract will be awarded as a direct result of this process. Interested vendors must submit their responses electronically via the City of Pasadena eProcurement Portal by December 5, 2026. While binding pricing is not required, the City is seeking information on one-time setup and configuration costs, recurring annual costs over five years, and optional feature pricing. Primary technical contact is Jim Scheel and procurement contact is Antonio Watson.

Information Technology Department

POSTED

about 22 hours ago

DEADLINE

in about 1 month

BC Hydro EV Charging Network Charger Management System

Solicitation # RFP 24430

The British Columbia Hydro and Power Authority is seeking a long-term partner to provide a white-label Charger Management System (CMS) platform for its electric vehicle charging network. The project involves managing a current network of approximately 900 charging ports across 190 locations, with a projected expansion to 3,500 ports by 2035. The selected provider must deliver a secure, scalable, and reliable platform that offers a seamless customer experience, real-time operational insights for network monitoring, and full interoperability with existing BC Hydro systems. The network standard for future technology is specified as 200-kilowatt chargers. The contract is expected to have an initial five-year term starting in June 2027, with the possibility of extensions for up to ten additional years. Award selection is based on the most advantageous proposal, evaluated through a multi-stage process. Pre-screening requires proponents to be the Original Equipment Manufacturer (OEM) of the platform and demonstrate experience with similarly sized networks in North American or European markets. Final selection is based on equally weighted criteria: confidence in achieving strategic objectives, overall annual and long-term costs, and a balance of trade-offs and risks. Proponents must adhere to strict submission guidelines by December 1, 2026, including a comprehensive Form of Proposal and a Cybersecurity Risk Management Questionnaire. The pricing structure covers several phases and services, including design and definition, implementation, platform usage, ongoing business support, RFID card fulfillment, and payment processing. Due to the critical nature of the infrastructure, BC Hydro may require a Vendor Cybersecurity Risk Assessment and mandates compliance with the Freedom of Information and Protection of Privacy Act of British Columbia.

British Columbia Hydro and Power Authority

POSTED

about 22 hours ago

DEADLINE

in about 1 month

Output Tracking, Data Analysis, and Dashboard DevelopmentThis subcontract for Output Tracking, Data Analysis, and Dashboard Development supports prime contractors on projects for the Community Investments Office of the Air District. The scope of work involves ongoing data collection and analysis to track long-term outputs for 28 grantees, with a focus on developing and maintaining interactive data dashboards using tools like PowerBI or Tableau. The selected provider will also be responsible for creating briefing materials based on data findings and ensuring strict adherence to data privacy standards regarding grantee information. Key deliverables include the production of annual analysis reports and the maintenance of active data dashboards. The opportunity is categorized under NAICS code 518210 and was posted on October 27, 2026, with a response deadline of December 1, 2026.

Community Investments Office

POSTED

about 23 hours ago

DEADLINE

in about 1 month

Communications & Technology OutfittingThe Communications and Technology Outfitting subcontract involves the installation of command and control technology suites for prime contractors working on Rhode Island Emergency Management Agency projects. The scope of work includes the deployment of public safety radio networks, satellite downlinks, AV routing matrixes, dispatch consoles, and cellular aggregation systems, all utilizing steel cable raceways. A primary objective is to ensure full compatibility with the interoperable state network to deliver a completely functional communications and technology suite. This opportunity is issued by the State of Rhode Island under NAICS code 518210. The solicitation was posted on October 27, 2026, with a response deadline set for November 24, 2026. Interested parties can find further details through the Rhode Island Division of Procurement portal.

State of Rhode Island

POSTED

about 23 hours ago

DEADLINE

Multi-Channel Communication Platform SupportThis subcontract for the London Borough of Newham involves the supply and management of a multi-channel digital communication platform to support prime contractors on family hub projects. The provider is responsible for establishing and maintaining secure telephone helplines and implementing moderated support services through text, WhatsApp, and virtual channels, utilizing VoIP and the WhatsApp Business API to ensure a functional communication system. The project mandates strict adherence to GDPR compliance and WCAG accessibility standards to ensure secure and inclusive access for all users. Interested parties must submit their responses by November 27, 2026, for this initiative categorized under NAICS code 518210.

London Borough of Newham

POSTED

about 24 hours ago

DEADLINE

More opportunities from Department Of Health And Human Services → CDC Office Of Acquisition Services

Same awarding agency

AI-Assisted Chatbot and TA Knowledge Base DevelopmentThis subcontract opportunity with the Department of Health and Human Services focuses on the development and implementation of a curated knowledge repository and an AI-driven interface for prime contractors working on Administration for Community Living projects. The selected provider will be responsible for building a searchable Technical Assistance Knowledge Base and deploying an AI-assisted chatbot designed to automate the delivery of authoritative guidance. The project requires specialized expertise in AI/ML development and Knowledge Management architecture to ensure the successful delivery of a functional chatbot and a comprehensive knowledge base. Performance for this contract will take place in Rockville, Maryland, with a response deadline set for November 3, 2026.

Custom Computer Programming Services

POSTED

DEADLINE

UCEDD Core Functions Dashboard DevelopmentThis subcontract involves the development and maintenance of a public-facing performance visibility tool for prime contractors working on projects for the Department of Health and Human Services Administration for Community Living. The primary objectives include the design of a Core Functions Dashboard and a web-based Program Progress Report submission system to ensure efficient tracking and reporting of project milestones. The project requires strict adherence to Section 508 accessibility compliance and HHS Information Security Program standards to ensure data security and inclusivity. Performance will take place in Rockville, Maryland, under NAICS code 541511, with the ultimate goal of delivering a fully functional dashboard and a sustainably maintained reporting system.

Custom Computer Programming Services

POSTED

DEADLINE

I/DD Program Development and Technical Assistance (TA)The I/DD Program Development and Technical Assistance subcontract supports prime contractors on projects for the Department of Health and Human Services Administration for Community Living. The scope of work focuses on network-wide training, capacity-building, and intensive community-driven technical assistance designed to facilitate problem solving for individuals with intellectual and developmental disabilities and their families. Key deliverables include the development of Community Impact Blueprints, Strategic TA Plans, and community-driven outcome reports. Execution of this contract requires deep subject matter expertise in the DD Act of 2000. The performance location is based in Rockville, Maryland, under NAICS code 541618. Interested parties should note the response deadline of November 3, 2026.

Other Management Consulting Services

POSTED

DEADLINE

University Centers for Excellence in Developmental Disabilities Education, Research and Service Community Impact and Capacity Building Initiative: Technical Assistance to Strengthen Outcomes for People with I/DD and Their Families

Solicitation # UCEDD

The Department of Health and Human Services, through the Administration for Community Living and the Administration on Disabilities, has issued a Request for Information to conduct market research for a contract providing network-wide training, technical assistance, and capacity-building support to University Centers for Excellence in Developmental Disabilities Education, Research and Service. The primary objective is to strengthen outcomes for people with intellectual and developmental disabilities and their families in accordance with the Developmental Disabilities Assistance and Bill of Rights Act of 2000. The contemplated scope includes the development of Community Impact Blueprints to scale promising approaches, the creation of a Strategic TA Plan to establish annual levels of effort, and the implementation of technology solutions such as a Core Functions Dashboard and an AI-assisted chatbot. The government is seeking industry feedback on the feasibility of the draft Performance Work Statement, recommended staffing models, and rough order of magnitude cost estimates. Preliminary classification is under NAICS 541611 for Administrative Management and General Management Consulting Services. The anticipated contract structure consists of a base year and four option years, requiring strict adherence to HHS Information Security Program standards and Section 508 accessibility requirements. Interested respondents must submit their capabilities and recommendations by November 3, 2026.

Administrative Management and General Management Consulting Services

POSTED

DEADLINE

Repatriation Case Management and Financial Support Services

Solicitation # 47QTCA25D007Q-7571MN26F80127

This special notice announces the transfer of a contract for Repatriation Case Management and Financial Support Services from the Department of the Interior to the Department of Health and Human Services. Originally awarded to Respones AI, LLC on September 24, 2025, as contract number 47QTCA25D007Q - 140D0425F1000, the agreement transitioned to the new contract number 47QTCA25D007Q - 7571MN26F80127 effective September 29, 2026. The transfer maintains all original terms and conditions, specifically preserving the ultimate contract value and the period of performance. This project is designated as a total small business set-aside under NAICS code 541519, with the place of performance located in Virginia.

Other Computer Related Services

POSTED

DEADLINE

OHS Region 11 Training and Technical Assistance Network

Solicitation # 7571MN26C00013

The Department of the Interior’s existing contract with ICF Incorporated, LLC, numbered 140D0425C0027, has been administratively transferred to the Department of Health and Human Services under a new task order, 7571MN26C00013, effective July 1, 2026. This transfer is purely administrative and does not alter the original contract’s scope of work, deliverables, ultimate value, or period of performance. The work continues under the same terms and conditions, now managed by HHS to support the OHS Region 11 Training and Technical Assistance Network, with performance based in Reston, Virginia, and administrative oversight from Washington, DC. The contract, classified under NAICS code 541611, remains unrestricted with no set-aside requirements and is fully maintained under the original contractor’s responsibility. Point of contact for inquiries includes Carla Carter and Hamed Hassanzadeh Makou at HHS.

Administrative Management and General Management Consulting Services

POSTED

DEADLINE

Portfolio Management System (OPS)

Solicitation # 7571MN26F80053

The Department of the Interior’s contract GS35F523BA/140D0422F0466, originally awarded to the Community Development Institute on May 11, 2022, for the Portfolio Management System (OPS), has been administratively transferred to the Department of Health and Human Services under the new contract number GS35F523BA/7571MN26F80053, effective June 12, 2026. This transfer does not modify any existing terms, including the ultimate contract value or the period of performance, and all scope of work, deliverables, and contractual obligations remain unchanged. The contract, identified by NAICS code 541511, is managed by HHS with the primary point of contact being Amber Harris at [email hidden], and the work is performed in Madison, Wisconsin, while the contracting office is located in Washington, D.C. The contract notice was posted on June 15, 2026, and the change is purely administrative, with no impact on the contractor or the execution of the project.

Custom Computer Programming Services

POSTED

DEADLINE

Clinical Research Organization (CRO)This subcontract opportunity with the Department of Health and Human Services is for a Clinical Research Organization to manage and execute clinical trials for small businesses on NIH STTR projects. The selected provider will be responsible for patient recruitment, trial monitoring, clinical data management, and regulatory submission support, utilizing specialized management software and medical monitoring equipment. All operations must maintain strict FDA compliance and obtain necessary IRB approvals to deliver comprehensive clinical trial reports, patient outcome data, and regulatory filings. The procurement is designated as a Total Small Business Set-Aside under the SBIR/STTR mandate for companies with fewer than 500 employees, falling under NAICS code 541715. The solicitation was posted on May 28, 2026, with a response deadline of April 6, 2027.

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

POSTED

DEADLINE

Specialized Scientific/Technical ConsultantThis subcontract opportunity with the Department of Health and Human Services seeks a Specialized Scientific/Technical Consultant to provide niche technical services for small businesses on NIH STTR projects. The scope of work includes performing specialized assays, toxicity testing, laboratory tests, data analysis, and the fabrication of specialized components using high-precision instrumentation and specific chemical or biological reagents. Deliverables consist of test results, analyzed data sets, or fabricated prototype components, with a requirement for GLP or GMP certifications if clinical trials are involved. The contract is a total small business set-aside under the SBIR/STTR mandate for firms with fewer than 500 employees, falling under NAICS code 541715. It was posted on May 28, 2026, with a response deadline of April 6, 2027.

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

POSTED

DEADLINE

Non-Profit Research Institution PartnerThis subcontract opportunity with the Department of Health and Human Services seeks a recognized non-profit research institution to partner with small business concerns on NIH STTR projects. The selected partner will be responsible for establishing technical merit, conducting feasibility studies, and executing full-scale research, development, and prototype creation. To fulfill these requirements, the institution must provide access to specialized medical and scientific equipment, laboratory facilities, and academic research archives. The project requires the delivery of validated prototypes, comprehensive technical reports, research data, and peer-reviewed publications. This is a total small business set-aside under the SBIR/STTR mandate for organizations with fewer than 500 employees, falling under NAICS code 541715. The response deadline for this opportunity is April 6, 2027.

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

POSTED

DEADLINE

Clinical Research Coordination and EnrollmentThis subcontract for Clinical Research Coordination and Enrollment supports prime contractors on clinical trials for the NIH, CDC, and FDA. The scope of work involves participant recruitment, enrollment, and administrative management using electronic medical records, Electronic Data Capture systems, and practice-based research networks. All activities must adhere to GCP standards, HIPAA compliance, and require IRB approval to deliver patient cohorts and clinical trial data reports. The opportunity is issued by the Department of Health and Human Services under NAICS code 541715. It is designated as a Total Small Business Set-Aside for firms with fewer than 500 employees. The solicitation was posted on May 28, 2026, with a response deadline of April 6, 2027.

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

POSTED

DEADLINE

Commercial Product PrototypingThis subcontract opportunity with the Department of Health and Human Services focuses on the supply and manufacture of early stage prototypes and proof of concept hardware for prime contractors working on NIH, CDC, and FDA research and development projects. The scope of work includes rapid prototyping, 3D printing, CNC machining, and PCB design, specifically utilizing biocompatible materials and medical grade plastics to deliver functional models of commercial products. The contract is designated as a total small business set aside under NAICS code 339113, requiring firms to have fewer than 500 employees. A critical requirement for eligibility is ISO 13485 certification for medical devices. Interested parties must submit their responses by April 6, 2027.

Surgical Appliance and Supplies Manufacturing

POSTED

DEADLINE

Earlier notices in this NAICS code

Posted before this notice, open and closed

Vehicle Recompete: NA — Idc 75D30122D12929

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13050

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13119

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13125

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13075

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13057

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: N/A — Idc 75D30122D13169

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13132

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13031

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13018

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13178

CDC Office Of Acquisition Services

POSTED

DEADLINE

Vehicle Recompete: NA — Idc 75D30122D13029

CDC Office Of Acquisition Services

POSTED

DEADLINE

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 750+ contractors already using CLEATUS