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

COMPUTER SUBASSEMBLY

Awarded

SPE8EN-26-T-2977Federal

Contract Overview

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

AI Contract Overview

Show more

This solicitation, identified as SPE8EN-26-T-2977, is for the procurement of six computer subassemblies, specifically Rockwell Automation critical application items with part number 1756-IF16. The contract is issued by the Department of Defense through the Defense Logistics Agency and requires delivery to DLA Distribution San Diego. The required delivery date is set for February 9, 2027, with a 145-day allowance for delivery delays. The items must be delivered FOB Origin, with inspection and acceptance occurring at the destination. The contract includes strict technical and quality requirements, including adherence to DLA packaging standards and MIL-STD-129 marking protocols. Suppliers must comply with specific environmental restrictions, notably the prohibition of mercury or mercury-containing compounds in hardware unless specifically exempted for functional use. Additionally, the procurement involves covered defense information and requires specific packaging data under MIL-STD-2073-1E. All technical and quality requirements are governed by the DLA Master List, and the solicitation is categorized under NAICS code 334111.

General Info

DLA procurement of six Rockwell Automation 1756-IF16 computer subassemblies due February 2027.

Agency

Department Of Defense → Defense Logistics Agency

Contract Value

$11,528.16

NAICS

334111 - Electronic Computer Manufacturing

Place of Performance

Not specified

Set-Aside

NONE

Awardee

OSAR SOLUTIONS LLC

Award Issued Date

10/14/2026, 12:00:00 AM UTC

Documents

2

SPE8EN-26-T-2977 Request for Quotations

18 pages · rfq

High

SPE8EN-27-P-0049 - Computer Subassembly Award

award

High

AI Contract Breakdown

Uniform Contract Format

Sign up to view the full breakdown with detailed analysis of each section.

Timeline

PhaseAwarded

PostedAug 19

Solicitation

AwardedOct 14

Contract was awarded

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyDepartment Of Defense → Defense Logistics Agency

Contacts1 person available

OfficeUSA

Organization / AgencyDepartment Of Defense → Defense Logistics Agency

Office AddressUSA

Contacts

Jennifer Esworthy

contact@example.gov

+1 (555) 000-0000

Full Description

Show more

DLA award SPE8EN27P0049 posted on DIBBS. Awardee: OSAR SOLUTIONS LLC (CAGE 7HH97) Total Contract Price: $11,528.16 Award Date: 10-14-2026 Solicitation: SPE8EN-26-T-2977 Line items: - COMPUTER SUBASSEMBLY (NSN/Part 7050015287756, PR 7017963941)

Similar Contracts

Same NAICS industry code

Purchase of telemetry products

Solicitation # 80NSSC27945479Q

The NASA Shared Services Center is seeking capability statements for the procurement of specific telemetry products to be delivered to the NASA Marshall Space Flight Center in Huntsville, Alabama. The requirement includes the purchase of Dual Stream Multi-Function Programmable Telemetry Decommutator PCM Processing Cards, Tunable Dual Channel 40 Mbps Advanced PCM Bit Sync Mezzanines, and associated cabling. This procurement falls under NAICS code 334111 and is being conducted as a commercial item acquisition following FAR Part 12 procedures. NASA intends to issue a sole source contract to Acroamatics, Inc. of Goleta, California, as they have been determined to be the sole provider of these products. Interested organizations must submit their capabilities and qualifications by 11:00 a.m. CST on October 20, 2026, to determine if the procurement will be conducted on a competitive basis. Please note that this is not a request for quotes, and any price offers submitted at this time will not be reviewed or accepted.

NASA Shared Services Center

POSTED

about 9 hours ago

DEADLINE

Lone Worker Safety Device SupplierThis subcontract agreement establishes the supply of specialized wearable safety devices for prime contractors working on field inspection projects for the Government of Ontario Ministry of Finance. The required hardware must be industrial-grade and equipped with critical safety features, including GPS tracking, SOS emergency buttons, and automatic fall or man-down detection sensors. To ensure reliable operation in various environments, the devices must support two-way communication and be compatible with both cellular and satellite networks. The procurement process for this supply contract began on October 14, 2026, with a response deadline set for October 30, 2026. Classified under NAICS code 334111, the contract focuses on the delivery of physical safety hardware designed to protect lone workers during government field operations.

POSTED

DEADLINE

Disk Drive Unit Supplier (NSN 7025-01-633-1625)This subcontract involves the supply of 182 Disk Drive Units to prime contractors supporting Department of Defense supply contracts. The required hardware must match NSN 7025-01-633-1625, specifically accepting Interactive Media Corp P/N U3-DVDRW-SL or Mid-Atlantic Computer Services, LLC P/N 600429-1203. All deliverables must strictly adhere to MIL-STD-2073-1E packaging standards and comply with NAVSEA 500-003D mercury restrictions. The procurement falls under NAICS code 334111 and is managed by the Construction and Equipment T & IFO EQ agency. Performance for this contract is located in New Cumberland, Pennsylvania. Interested parties must note the response deadline of October 26, 2026, following the posting date of October 14, 2026.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

Supply of Disk Drive Units (NSN 7025-01-732-2922)This subcontract involves the supply of six disk drive units to prime contractors supporting Department of Defense supply contracts. The hardware must strictly adhere to NSN 7025-01-732-2922 and Part Number MTFDKC86T4TFS–1BC12ABYY/E2MU200, ensuring full compliance with the DLA Master List of Technical and Quality Requirements. All units must be delivered FOB Origin to DLA Distribution in New Cumberland, Pennsylvania. The contractor is responsible for meeting rigorous military standards for logistics, specifically MIL-STD-129 for marking and MIL-STD-2073-1E for packaging.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

Tactical Computer Console Manufacturing and SupplyThis subcontract involves the manufacture and supply of six tactical computer consoles for prime contractors supporting Department of Defense supply contracts. The provider is responsible for procuring or manufacturing hardware that strictly adheres to NSN 7022015827474 specifications. Key technical requirements include the implementation of Item Unique Identification in accordance with MIL-STD-130 and ensuring all components are mercury-free per NAVSEA 500-003D standards. The contractor must possess specific IUID marking capabilities and maintain full compliance with DFARS 252.211-7003. Performance for this effort is centered in New Cumberland, Pennsylvania, under NAICS code 334111. The procurement process is managed through the Department of Defense, specifically the Construction and Equipment T & IFO EQ agency.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

Supply of Data Entry Keyboards (NSN 7025-01-621-4066)This subcontract involves the manufacture and supply of 2,000 warranted specialized data entry keyboards under NSN 7025-01-621-4066 for prime contractors supporting Department of Defense DLA supply contracts. The hardware must be produced in strict accordance with Source Control Drawings and Technical Data Packages, with mandatory quality conformance inspections per RQ006. Additionally, the contractor must ensure all units are mercury-free per NAVSEA 5100-003D and adhere to ASTM D3951 and MIL-STD-129 packaging standards. To be eligible, the provider must hold OEM source approval and maintain CMMC Level 2 certification. The performance of the contract is centered in Tracy, California, under NAICS code 334111. Interested parties must respond by October 26, 2026.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

Computer Subassembly (NSN 7050-01-511-9542) ManufacturingThis subcontract involves the manufacture or sourcing of four finished computer subassemblies, specifically NSN 7050-01-511-9542, for prime contractors supporting Department of Defense supply contracts. The provider must strictly adhere to RA001 technical and quality requirements, RP001 packaging standards, and RQ011 government identification guidelines. Additionally, the contractor must certify that no mercury is intentionally added to the components. The project is categorized under NAICS code 334111 and is managed by the Construction and Equipment T & IFO EQ agency. Deliverables are to be provided FOB Origin from the place of performance in New Cumberland. The solicitation was posted on October 14, 2026, with a response deadline of October 26, 2026.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

Supply of Personal Computer Memory Cards (NSN 7025-01-569-9583)This subcontract, managed by Construction & Equipment MRO SVC I for the Department of Defense, involves the procurement and delivery of two personal computer memory cards, specifically NSN 7025-01-569-9583, Part Number W155561P1. The hardware must be delivered FOB Origin to DLA Distribution DDSP New Cumberland. The contractor is required to adhere to strict military standards, including MIL-STD-2073-1E and RP001 for packaging and MIL-STD-129 for marking. Additionally, the agreement mandates full compliance with the Buy American Act and the implementation of necessary cybersecurity safeguards to protect defense information.

CONSTRUCTION & EQUIPMENT MRO SVC I

POSTED

DEADLINE

Supply of Data Entry Trackballs (NSN 7025-01-460-0411)This subcontract involves the supply of two specialized data entry trackballs to support prime contractors delivering DLA Troop Support contracts for the Department of Defense. The hardware must strictly adhere to NSN 7025-01-460-0411 specifications, specifically requiring either Raytheon part number G646618-1 or Cortron part number 510-0001A. All units must be free of mercury compounds to ensure compliance with safety and environmental standards. Logistical requirements mandate that packaging be performed according to MIL-STD-2073-1E and MIL-STD-129, utilizing Code 39 marking for electrostatic discharge sensitive electric devices. The performance of this contract is centered in New Cumberland, Pennsylvania, under NAICS code 334111. Interested parties must respond by the deadline of October 26, 2026.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

Automatic Data Processing Server SupplierThis small business set-aside subcontract involves the procurement of one Automatic Data Processing Server, specifically part number P-615202, from OSI Maritime Systems Ltd. The equipment is intended for prime contractors working on DLA Troop Support projects for the USS Beloit LCS 29. The server must strictly adhere to NAVSEA 5100-003D mercury-free standards and be delivered FOB Destination. The supplier is responsible for packaging and labeling the unit in accordance with MIL-STD-129 and RP001 guidelines. Additionally, the contractor must maintain cybersecurity compliance as mandated by DFARS 252.204-7012. This requirement is managed under NAICS code 334111 for the Department of Defense, with performance taking place at FPO 34085.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

TOUCHSCREEN, DATA ENTRY

Solicitation # SPE8EN-27-T-0165

Solicitation SPE8EN-27-T-0165 is for the procurement of two data entry touchscreens, identified by NSN 7025-01-734-5787, for the Department of Defense. The acquisition is managed by the Construction and Equipment T & IFO EQ agency, with Jennifer Esworthy serving as the primary point of contact. The items are to be delivered to the DLA Distribution DSP New Cumberland facility in Pennsylvania, with a required delivery date of April 13, 2027, and a delivery window of 167 days. The solicitation is issued under the First Destination Transportation program with shipping terms set as FOB Origin. The contract mandates strict adherence to DLA technical and quality requirements, including the removal of government identification from non-accepted supplies and specific source approval documentation. Packaging must comply with MIL-STD-2073-1E and RP001, specifically requiring the use of government or wing tip pallets. Marking and labeling must follow MIL-STD-129. Inspection and acceptance will occur at the destination per FAR 52.246-2. Administrative requirements include electronic invoicing through the Wide Area WorkFlow system and compliance with various DFARS and FAR clauses regarding cybersecurity, the Buy American Act, and the prohibition of covered defense telecommunications equipment. The applicable NAICS code for this procurement is 334111.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

COMPUTER, DIGITAL

Solicitation # SPE8EN-27-T-0153

Solicitation SPE8EN-27-T-0153 is a request for quotations issued by the DLA Troop Support Construction and Equipment office for the procurement of two digital computers, identified by NSN 7021016506316. This acquisition is designated as a Women-Owned Small Business set-aside and is being conducted under the First Destination Transportation program to optimize shipping costs. The required delivery date is May 14, 2027, with a delivery window of 167 days. Inspection and acceptance will occur at the destination, specifically the DLA Distribution DDSP New Cumberland facility in Pennsylvania. The contract mandates strict adherence to technical and quality standards, including the DLA Master List of Technical and Quality Requirements, MIL-STD-129 for marking and labeling, and ASTM D3951 for packaging. Key compliance requirements include CMMC Level 2 self-assessment, safeguarding of covered defense information, and adherence to the Buy American Act and Berry Amendment. Additionally, the contractor must ensure that mercury is not intentionally added to the hardware and must utilize the Wide Area Workflow system for all electronic invoicing and payment requests.

CONSTRUCTION & EQUIPMENT T & IFO EQ

POSTED

DEADLINE

More opportunities from Department Of Defense → Defense Logistics Agency

Same awarding agency

MIL-SPEC Packaging and Palletization ServicesThis subcontract for the Defense Logistics Agency involves providing specialized military packaging and palletization services for prime contractors. The scope of work requires packaging items according to ASTM D3951, marking and labeling shipments per MIL-STD-129, and palletizing cargo in accordance with RP001 standards. The final deliverable consists of five palletized shipments prepared for Government-Arranged Transportation. The project will be performed at Fort Lewis, Washington, under NAICS code 488510. Interested parties should note that the response deadline is October 26, 2026.

Freight Transportation Arrangement

POSTED

about 4 hours ago

DEADLINE

Supply of AQUALUNG Inflation SystemsThis subcontract involves the procurement and delivery of five AQUALUNG Inflation Systems, specifically NSN 4220015912708 (P/N 108615), to support prime contractors fulfilling Defense Logistics Agency supply contracts. The completed units are to be delivered to Fort Lewis, Washington. The agreement mandates strict adherence to the Buy American Act and the Berry Amendment. Additionally, the contract explicitly prohibits the use of additive manufacturing and the intentional addition of mercury during the production process.

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

POSTED

about 4 hours ago

DEADLINE

Manufacture and Supply of Gage Z Dimension, AIThis subcontract involves the manufacture and supply of one precision-engineered Gage Z Dimension, AI, intended for prime contractors supporting Defense Logistics Agency Troop Support contracts. The selected provider must perform precision machining and fabrication to strictly adhere to the technical requirements of NSN 5210015391747, while ensuring compliance with quality standards RA001 and RC001. All deliverables must be packaged according to ASTM D3951 and MIL-STD-129 specifications. To qualify, the contractor must possess specialized precision machining and calibration equipment and maintain DLA Source Approval and DFARS 252.204-7012 compliance. The final deliverable is one certified gage. This opportunity is categorized under NAICS code 333515 and is managed by the Department of Defense, with a response deadline of October 26, 2026.

Cutting Tool and Machine Tool Accessory Manufacturing

POSTED

about 4 hours ago

DEADLINE

Solicitation # SPE7MC-27-T-0755

Solicitation SPE7MC-27-T-0755 is a request for quotations from the Defense Logistics Agency for the manufacture and supply of one valve body, also identified as a valve pump housing, under NSN 4810008203430. The item is designated as a critical application item and requires a metal casting process for manufacture, which necessitates specific tooling. The procurement falls under NAICS code 336412 and is an Foreign Military Sales requirement for Brazil, with delivery specified as 20 days after award and an original required delivery date of September 10, 2025. Shipping is FOB Origin, with the final destination being the Parque de Material Aeronautico de Lagoa Santa in Brazil, via a freight forwarder in Temple Hills, Maryland. The contract mandates strict adherence to quality and packaging standards, including MIL-STD-129 for marking and MIL-STD-2073-1E for packaging. Specific requirements include heat-sealed barrier bags for cleanliness and palletization according to RP001. Compliance with the Cybersecurity Maturity Model Certification CMMC Level 2 self-assessment and the prohibition of Class I ozone-depleting chemicals are required. Administrative processing, including payment requests and receiving reports, must be conducted through the Wide Area Workflow system. The solicitation incorporates various FAR and DFARS clauses covering the Buy American Act, hazardous material identification, and restrictions on covered defense telecommunications equipment.

Aircraft Engine and Engine Parts Manufacturing

POSTED

about 4 hours ago

DEADLINE

BATTERY, STORAGE

Solicitation # SPE7L7-27-Q-0094

Solicitation SPE7L7-27-Q-0094 is a request for quotations from the Defense Logistics Agency for the procurement of two units of wet-filled lead acid storage batteries, identified by NSN 6140-01-263-7799. The contract is established as a firm fixed price agreement with delivery required 60 days after the order. The items are designated as critical application items with a non-extendable shelf life of 12 months. Delivery and acceptance are both set at the destination, with specific shipments directed to the Aberdeen Test Center in Maryland and the US Army Logistics Readiness Center at West Point, New York. The contractor must adhere to strict quality and safety standards, including sampling methods per MIL-STD-1916 or ASQ H1331 and packaging requirements governed by MIL-STD-2073-1E and MIL-STD-129. Because the batteries are hazardous materials, the supplier is required to provide Safety Data Sheets and Hazardous Communication Standard labels in accordance with Federal Standard No. 313-E and 29 C.F.R. 1910.1200 prior to award. Additionally, the contract prohibits the intentional addition of mercury and requires compliance with various DFARS and FAR clauses regarding cybersecurity, counterfeit electronic part detection, and the Buy American Act. Invoicing must be processed electronically through the Wide Area WorkFlow system.

Battery Manufacturing

POSTED

about 4 hours ago

DEADLINE

BATTERY, STORAGE

Solicitation # SPE7L7-27-Q-0093

Solicitation SPE7L7-27-Q-0093 is a firm fixed price requirement issued by the Defense Logistics Agency for the procurement of 6,000 units of storage batteries (NSN 6140-01-371-0519). This is a commercial off the shelf item designated as a critical application item with a non-extendable shelf life of 12 months. Delivery is required within 60 days after receipt of order, with the destination for shipping, inspection, and acceptance being the USS Patrick Gallagher at Bath Iron Works in Maine. Award will be based on a comparative assessment of price, offered delivery, and past performance. The contract mandates strict adherence to hazardous material regulations, specifically 49 CFR 173.159a for non-spillable batteries. Requirements include protecting terminals against short circuits and ensuring all batteries and outer packaging are durably marked as nonspillable. Packaging and marking must comply with MIL-STD-2073-1E, MIL-STD-129, and DLA packaging requirement RP001. Quality assurance involves zero-based sampling plans per MIL-STD-1916 or ASQ H1331. Additionally, the contract prohibits the intentional addition of mercury except for functional use in batteries, in which case NAVSEA 5100-003D containment standards apply. Invoicing must be processed electronically through the Wide Area WorkFlow system.

Battery Manufacturing

POSTED

about 4 hours ago

DEADLINE

VALVE, REGULATING, FLUID

Solicitation # SPE7MC-27-T-0750

Industrial Valve Manufacturing

POSTED

about 4 hours ago

DEADLINE

SHEET METAL AMSQQ-A-25

Solicitation # SPEFA5-27-T-0069

Solicitation SPEFA5-27-T-0069 is a fixed-price contract issued by the Defense Logistics Agency (DLA) Aviation at Cherry Point, North Carolina, for the procurement of sheet metal under NSN 9535LN0029818. The material must conform to specification AMS-QQ-A-250/4(2024-O) with specific dimensions of 0.032 inches by 48 inches by 144 inches. The requirement is for 12 units, with a delivery window of 5 days after the order and an original required delivery date of October 19, 2026. Delivery is FOB Destination to the Fleet Readiness Center East in Cherry Point, NC. The contract mandates strict quality and packaging standards, requiring a Certificate of Conformance and adherence to ASTM D3951 and MIL-STD-129 for marking and labeling. Palletization must comply with DLA packaging requirement RP001. Inspection and acceptance will occur at the destination, utilizing sampling methods per MIL-STD-1916 or ASQ H1331. Invoicing and payment are to be processed electronically via the Wide Area WorkFlow (WAWF) system. The procurement also incorporates various DFARS and FAR clauses, including cybersecurity requirements under DFARS 252.204-7012 and domestic material restrictions such as the Buy American Act and the Berry Amendment.

Other Support Activities for Air Transportation

POSTED

about 4 hours ago

DEADLINE

BATTERY POWER SUPPLY

Solicitation # SPE7L7-27-T-0288

Solicitation SPE7L7-27-T-0288 is issued by the Defense Logistics Agency for the procurement of one Battery Power Supply unit, identified by NSN 6130-01-475-5313. This is a restricted source item that requires engineering source approval from the Government design control activity. The item is classified as a commercial product with a Type II shelf life of 12 months. Delivery is required within 20 days after the order, with an original required delivery date of October 6, 2026. The shipment is designated as FOB Destination, with the final delivery point located in Bluffdale, Utah. The contract mandates strict adherence to quality and packaging standards, including MIL-STD-129 for marking, MIL-STD-2073-1E for packaging, and RP001 for palletization. Inspection and acceptance will occur at the destination, utilizing sampling methods per MIL-STD-1916 or ASQ H1331. Due to the nature of the hardware, the supplier must comply with hazardous materials regulations, including the submission of Safety Data Sheets and HCS labels per 29 CFR 1910.1200. Payment and invoicing must be processed electronically through the Wide Area WorkFlow system. The solicitation also incorporates various DFARS and FAR clauses regarding cybersecurity, the Buy American Act, and the prohibition of certain telecommunications equipment.

Motor and Generator Manufacturing

POSTED

about 4 hours ago

DEADLINE

INFLATION SYSTEM

Solicitation # SPE8E6-27-T-0290

Solicitation SPE8E6-27-T-0290 is a fixed-price procurement issued by the Defense Logistics Agency for the acquisition of five inflation systems, identified by NSN 4220015912708. The items are identified as commercial and are to be delivered to Fort Lewis, Washington, with an original required delivery date of April 29, 2025. Shipping is established as FOB Origin, and the procurement is managed under the First Destination Transportation program to utilize Government-Arranged Transportation. The contract mandates strict adherence to the DLA Master List of Technical and Quality Requirements, which takes precedence over ASTM D3951 packaging standards. All shipments must be marked and labeled according to MIL-STD-129 and palletized per RP001. Material restrictions are in place prohibiting the use of asbestos and the intentional addition of mercury, except in specific functional cases. Compliance with the Buy American Act and Berry Amendment is required for quotes exceeding the micro-purchase threshold. Administrative requirements include electronic invoicing via the Wide Area WorkFlow system and the safeguarding of covered defense information per DFARS 252.204-7012. Inspection and acceptance will occur at the destination.

All Other Rubber Product Manufacturing

POSTED

about 4 hours ago

DEADLINE

GAGE Z DIMENSION, AI

Solicitation # SPE8E5-27-T-0235

Solicitation SPE8E5-27-T-0235 is a Request for Quotations issued by the Defense Logistics Agency Troop Support, Construction and Equipment office for the procurement of one Gage Z Dimension, AI, identified by NSN 5210015391747. The requirement is categorized under NAICS code 333515. The item is to be delivered FOB Destination to the USS Ronald Reagan (CVN 76) at FPO AP 96616, with a required delivery date of October 13, 2026, and a delivery window of five days after receipt of order. Inspection and acceptance will also occur at the destination. The contract mandates strict adherence to packaging and marking standards, requiring compliance with ASTM D3951 and MIL-STD-129, with DLA Master List technical and quality requirements taking precedence. Palletization must follow RP001 guidelines. Administrative requirements include the use of the Wide Area WorkFlow system for electronic invoicing and receiving reports. Key regulatory clauses are incorporated, including DFARS 252.204-7012 for safeguarding covered defense information, the Buy American Act, and various small business set-aside representations. The procurement also references specific quality requirements such as RA001 and RC001 for source approval documentation.

Cutting Tool and Machine Tool Accessory Manufacturing

POSTED

about 4 hours ago

DEADLINE

LIFE PRESERVER, VEST

Solicitation # SPE8E6-27-Q-0023

POSTED

about 4 hours ago

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