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, November 11 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

NEOMYCIN AND POLYMY

Awarded

SPE2D926F6470Federal

Contract Overview

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

AI Contract Overview

Show more

Defense Logistics Agency award SPE2D926F6470 is a delivery order issued on June 3, 2026, to Cardinal Health, Inc. for the procurement of Neomycin and Polymyxin medical supplies. This specific order, valued at 85.58 dollars for one package, is placed under the broader delivery order SPE2DX25D8022 and is destined for the USNS John L. Canley in San Diego, California. The procurement falls under NAICS code 424210 and was designated as a set-aside for Small Disadvantaged Women Owned businesses. The overarching contract, SPE2DX-25-D-8022, was established on March 7, 2025, by the DLA Troop Support Medical Supply Chain FSB with a total award value of 20,000,000 dollars for various commercial items. This framework agreement enables the government to acquire essential medical supplies through a streamlined process, with the current order for Neomycin and Polymyxin serving as a specific execution of that larger agreement.

General Info

DLA awarded Cardinal Health 85.58 dollars for medical supplies for USNS John Canley.

Agency

Department Of Defense → Defense Logistics Agency

Contract Value

$85.58

NAICS

424210 - Drugs and Druggists' Sundries Merchant Wholesalers

Place of Performance

OH, USA

Set-Aside

NONE

Awardee

CARDINAL HEALTH, INC.

Award Issued Date

06/03/2026, 12:00:00 AM UTC

Documents

2

SPE2DX-25-D-8022 - Award to Cardinal Health, Inc.

award

High

SPEZD9-26-F-6470 - Order for Supplies or Services

task-order-award

Low

AI Contract Breakdown

Uniform Contract Format

Contract not broken down yet

CLEATUS splits the solicitation into Uniform Contract Format (UCF) sections: scope, pricing, deliverables, and evaluation criteria.

Timeline

PhaseAwarded

PostedJun 3

Award Notice

AwardedJun 3

Contract was awarded

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 Defense → Defense Logistics Agency

ContactsNo contacts available

OfficeUSA

Organization / AgencyDepartment Of Defense → Defense Logistics Agency

Office AddressUSA

ContactsNo contact information available

Full Description

Show more

DLA award SPE2D926F6470 posted on DIBBS. Awardee: CARDINAL HEALTH, INC. (CAGE 00E55) Total Contract Price: $85.58 Award Date: 06-03-2026 Delivery order under: SPE2DX25D8022 Line items: - NEOMYCIN AND POLYMY (NSN/Part 6505010430230, PR 7017037239)

Similar Contracts

Same NAICS industry code

Supply of Simvastatin Tablets, 10 mgThis subcontract involves the supply of FDA-approved Simvastatin Tablets, 10 mg, for prime contractors supporting the Department of Defense Medical Supply Chain Pharm FSA. The requirement is for NSN 6505013544544, delivered in quantities of five bottles containing 90 tablets each. All provided medication must have a non-extendable shelf life of 36 months from the date of delivery. Compliance is mandatory regarding FDA registration and the DLA Master List of Technical and Quality Requirements. Additionally, all packaging and labeling must strictly adhere to MIL-STD-2073-1E and Medical Marking Standard No. 1. The opportunity is categorized under NAICS code 424210, with a response deadline of November 3, 2026.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

about 2 hours ago

DEADLINE

Purchase of Antibiotics

Solicitation # 2026-Informal-0210

The City of Pasadena Public Health Department is soliciting quotes for a one-time purchase of antibiotics to be stockpiled for city staff and their dependents in preparation for public health emergencies involving Category A agents, such as anthrax, plague, or tularemia. The procurement consists of 30,000 tablets of Ciprofloxacin (500mg/dose) and 200,000 tablets of Doxycycline Hyclate (100mg/dose). All materials must be delivered to the Pasadena Public Health Department by June 30, 2027, with a required delivery lead time of four business days from the date of order. Vendors must adhere to strict FDA and CDC regulatory standards for manufacturing, distribution, and recordkeeping. Key requirements include full lot-level traceability, accurate labeling of lot numbers and expiration dates, and strict compliance with cold-chain and temperature-controlled shipping guidelines using monitoring devices. Bidders must submit their proposals electronically via the City of Pasadena eProcurement Portal by October 28, 2026. Required documentation includes a Unique Entity Identifier (UEI), IRS Form W-9, a Pasadena Business License, and various certifications regarding lobbying, equal employment opportunity, and federal representations. This procurement is subject to several federal and local regulations, including FEMA Supplemental Terms and Conditions, the Davis-Bacon Act for prevailing wages, and domestic preference guidelines under CFR 200.322. The contract operates on Net 30 payment terms. Evaluation of bidders will include a review of relevant past performance and the submission of required legal and workforce utilization forms.

Public Health Department

POSTED

about 19 hours ago

DEADLINE

Janitorial Supplies ProviderThe Janitorial Supplies Provider subcontract supports prime contractors operating on DHR Tuscaloosa County Office projects in Alabama. The selected provider is responsible for the regular delivery of cleaning chemicals and consumables, specifically bulk germicidal detergent solutions, various sizes of trash can liners, and sanitized mop heads intended for weekly replacement. All supplied materials must strictly adhere to the germicidal standards outlined in the Statement of Work. This opportunity is categorized under NAICS code 424210 and was posted on October 27, 2026. Interested parties must submit their responses by the deadline of December 3, 2026. The contract ensures a consistent supply chain of essential sanitation materials delivered directly to the project site or the designated prime contractor.

DHR Tuscaloosa CountyOffice

POSTED

about 21 hours ago

DEADLINE

in about 1 month

Hygiene Consumables SupplierThe Hygiene Consumables Supplier subcontract is issued by San Diego County to provide essential hygiene and laundry materials for prime contractors working on county hygiene service projects. The scope of work involves the recurring delivery of personal hygiene items, including soap, towels, and washcloths, as well as the regular shipment of comprehensive hygiene kits and laundry supplies. This opportunity is categorized under NAICS code 424210 and is to be performed within the city of San Diego. The solicitation was posted on October 27, 2026, with a response deadline set for November 26, 2026.

San Diego County

POSTED

DEADLINE

USP Povidone-Iodine Cleansing Solution SupplierThis subcontract involves the supply of USP Povidone-Iodine Cleansing Solution for prime contractors supporting Department of Defense projects under the DLA Troop Support Medical Supply Chain. The requirement specifies the delivery of five 1-gallon bottles containing a 7.5% active ingredient solution that adheres to USP standards and FDA regulations. To ensure product efficacy and safety, the supplier must maintain strict temperature controls between 15-30 degrees Celsius during storage and transit, and all units must have at least 31 months of remaining shelf life upon delivery. Compliance is mandatory regarding Medical Marking Standard No. 1 and 29 CFR 1910.1200. The contract is categorized under NAICS code 424210 and is managed by the Medical Supply Chain Pharm FSA. Performance for this requirement is designated for FPO 96616, with a response deadline set for November 2, 2026.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

SUNSCREEN PREPARATION

Solicitation # SPE2DP-27-T-0183

This solicitation, identified as SPE2DP-27-T-0183, is a Request for Quotations for the procurement of sunscreen preparation under NSN 6505-01-657-9247. The required product is an over-the-counter topical sunscreen with an SPF of 50, containing 4.5% titanium dioxide and 4% zinc oxide. It must be sweat and water-resistant for 80 minutes, hypoallergenic, oil-free, PABA-free, and biodegradable. The unit of issue is a package of 24 three-ounce tubes. The product has a total shelf life of 24 months, with a minimum of 21 months remaining upon receipt by the government. Storage requirements are specified between 15 and 30 degrees Celsius in a cool, dry place. The contract specifies a delivery timeframe of five days with an original required delivery date of July 21, 2026. Delivery is FOB Destination, with shipments directed to locations including Fort Bragg, North Carolina, and North Stonington, Connecticut. Packaging must adhere to ASTM D3951 for non-hazardous materials or TQ requirement IP025 for hazardous materials, with palletization following RP001. Marking must comply with Medical Marking Standard No. 1, which supersedes MIL-STD-129. Inspection and acceptance will occur at the destination. Administrative requirements include the use of the Wide Area WorkFlow system for electronic invoicing and payment requests. The procurement is subject to various federal regulations, including the Buy American Act and DFARS cybersecurity reporting standards. Quotes must be submitted via the DLA Internet Bid Board System. The solicitation is managed by the Medical Supply Chain Pharma FSA under the Department of Defense, with a primary point of contact at DLA.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

REHYDRATION SALTS FOR

Solicitation # SPE2DP-27-T-0184

Solicitation SPE2DP-27-T-0184 is a request for quotations from the DLA Troop Support Medical Supply Chain Pharm FSA for the procurement of lemon-flavored electrolyte oral rehydration powder, identified by NSN 6505-01-646-2692. The product is an over-the-counter oral solution powder provided in packages containing 100 packets, with each 21 gram packet formulated to provide 665 mg of sodium, 390 mg of potassium, 80 mg of citrate, 83 mg of magnesium, and 3 mg of zinc when mixed with 16.9 fluid ounces of water. The items have a non-extendable shelf life of 24 months and are regulated by the FDA. The contract includes three CLINs with total quantities of 13 packages to be delivered to various destinations, including the USNS Richard E Byrd, USNS John Lenthall, and NAVSHIPYD & IMF Det Guam. Delivery is required within five days after the order, with required delivery dates set for October 27 and 28, 2026. Shipping is FOB Destination, and inspection and acceptance will occur at the destination. Packaging must comply with DLA Master List requirements, MIL-STD-129 for marking, and ASTM D3951 for non-hazardous commercial packaging, while palletization must follow RP001 standards. Administrative requirements include electronic invoicing via Wide Area WorkFlow and compliance with the Buy American Act, the Berry Amendment, and DFARS cybersecurity reporting standards. The solicitation is a candidate for automated award and incorporates the DLA Master Solicitation for Automated Simplified Acquisitions Revision 105. Evaluation may include a HUBZone price preference, and offers utilizing additive manufacturing are ineligible for award. The primary point of contact for this procurement is James McCullough.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

Emergency Fuel and DEF Supply ServicesThis subcontract for Emergency Fuel and DEF Supply Services involves the supply and delivery of diesel fuel and Diesel Exhaust Fluid for prime contractors working on USACE Pittsburgh District projects. The scope of work includes performing the initial fueling of generators during installation and providing ongoing replenishment at remote sites via fuel tankers to ensure continuous generator operation. The project is managed under the Department of Defense for the W072 Endist Pittsburgh agency, with performance taking place in Pittsburgh. The selected provider must strictly adhere to the Environmental Protection Plan and all applicable federal and state fuel handling regulations. Responses for this opportunity are due by December 1, 2026.

W072 Endist Pittsburgh

POSTED

DEADLINE

in about 1 month

Medical Supply Distribution and LogisticsThis subcontract, titled Medical Supply Distribution and Logistics, involves the procurement, warehousing, and delivery of Miconazole Nitrate Powder to support prime contractors fulfilling Department of Defense supply contracts. The selected provider is responsible for the end-to-end logistics chain, including sourcing from manufacturers and managing inventory within climate-controlled pharmaceutical storage to ensure product integrity before shipping to designated DLA locations. To ensure regulatory compliance, the contractor must adhere to the Drug Supply Chain Security Act and maintain an active SAM registration. This effort falls under NAICS code 424210 and is managed by the Medical Supply Chain Pharm FSA. Interested parties must respond by November 2, 2026.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

Bupivacaine Hydrochloride Injection SupplierThis subcontract involves the supply of Bupivacaine Hydrochloride Injection for prime contractors supporting Department of Defense pharmaceutical supply contracts. The supplier is responsible for providing NSN 6505-00-1387347 TYPE I (CODE M) items, ensuring that all vials are delivered in accordance with ASTM D3951 or TQ requirement IP025 for hazardous materials. Strict quality and storage standards are required, including the maintenance of USP controlled room temperature storage between 20 to 25 degrees Celsius and a guaranteed non-extendable shelf life of 24 months. The contract is managed under NAICS code 424210 for the Medical Supply Chain Pharm FSA, with the place of performance located at Fort Campbell.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

SODIUM CHLORIDE INJECT

Solicitation # SPE2DP-27-T-0178

Solicitation SPE2DP-27-T-0178 is a request for quotations issued by the DLA Troop Support Medical Supply Chain Pharm FSA for the procurement of Sodium Chloride Injection, USP. The requirement is for 5 packages of 0.9% 1000ML IV plastic bags, which must be latex-free and stored at controlled room temperature between 20°C and 25°C. The items must be delivered FOB destination within 20 days of award, with inspection and acceptance also occurring at the destination. The product is subject to a non-extendable shelf life of 30 months and must be marked according to Medical Marking Standard No. 1, which supersedes MIL-STD-129. The procurement is not a small business set-aside, though it utilizes the HUBZone price evaluation preference. Technical compliance is governed by the DLA Master List of Technical and Quality Requirements, and packaging must adhere to MIL-STD-2073-1E and special instructions MPWM00001. Offerors must be registered in the System for Award Management and comply with the Buy American Act and Berry Amendment. Invoicing and payment are to be processed electronically via the Wide Area WorkFlow system. Quotations are due by November 2, 2026.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

REHYDRATION SALTS FOR

Solicitation # SPE2DP-27-T-0175

Solicitation SPE2DP-27-T-0175, issued by the DLA Troop Support Medical Supply Chain Pharm FSA, is for the procurement of berry flavored electrolyte oral rehydration powder (NSN 6505016462701). The requirement consists of multiple line items, including 10 packages for CLIN 0001 and 17 packages for CLIN 0003, with each package containing 100 packets. Each 21 gram packet provides a specific electrolyte solution containing 665 mg of sodium, 390 mg of potassium, 80 mg of citrate, 83 mg of magnesium, and 3 mg of zinc. The product has a total shelf life of 36 months, and it must have a minimum of 31 months remaining upon receipt by the government. Delivery is required within five days of order, with shipments directed to various locations including Guam, Germany, and the USNS John Lenthall. The contract specifies FOB Destination for delivery, inspection, and acceptance. Packaging must adhere to commercial standards such as ASTM D3951 or TQ requirement IP025 for hazardous materials, while marking must comply with Medical Marking Standard No. 1 and MIL-STD-129. This is not a small business set-aside, though HUBZone price evaluation preferences may apply. Invoicing and receiving reports must be processed electronically through the Wide Area WorkFlow system.

MEDICAL SUPPLY CHAIN PHARM FSA

POSTED

DEADLINE

More opportunities from Department Of Defense → Defense Logistics Agency

Same awarding agency

MIL-STD Packaging and Logistics Services

Packaging and Labeling Services

POSTED

about 2 hours ago

DEADLINE

Safety Cone Supplier (NSN 6250-00-334-6183)

All Other Miscellaneous Manufacturing

POSTED

about 2 hours ago

DEADLINE

Supply of Toggle Switches (NSN 5930-00-655-1507)

Other Electronic Component Manufacturing

POSTED

about 2 hours ago

DEADLINE

Domestic Electrical Component Supply (Berry Amendment Compliant)This subcontract involves the supply of raw wire, connectors, shielding, and housing for prime contractors working on Defense Logistics Agency procurement projects specifically for NSN 5995-01-696-1261. The provider is responsible for sourcing electrical grade materials that meet strict technical requirements and must include a Certificate of Conformance with all delivered components. A critical requirement of this agreement is the provision of certification of origin to ensure full compliance with the Buy American Act and the Berry Amendment. Managed under NAICS code 335131 for the Department of Defense, the contract ensures that all domestic electrical components meet the necessary federal standards for military application.

Residential Electric Lighting Fixture Manufacturing

POSTED

about 2 hours ago

DEADLINE

Special Purpose Electrical Cable Assembly FabricationThis subcontract involves the fabrication and assembly of a special purpose electrical cable assembly, specifically NSN 5995-01-696-1261, for prime contractors working on Defense Logistics Agency procurement projects. The manufacturer is required to produce one completed, tested, and packaged assembly in strict accordance with the DLA Master List of Technical and Quality Requirements (RA001), with a specific prohibition against the use of additive manufacturing. All deliverables must be packaged and marked according to MIL-STD-129 and MIL-STD-2073-1E standards. This opportunity falls under NAICS code 335931 and is managed by the Department of Defense. Interested parties must respond by November 5, 2026.

Current-Carrying Wiring Device Manufacturing

POSTED

about 2 hours ago

DEADLINE

Supplier of Flat Washers (NSN 5310-01-097-9936)This subcontract involves the procurement of 109 specialized flat washers to support Defense Logistics Agency aircraft component projects. The supplier is responsible for manufacturing or sourcing the components in strict accordance with Sikorsky Aircraft Corporation part number SS5104-01 and NSN 5310-01-097-9936. All items must be delivered to DLA Distribution DDSP New Cumberland. The contract mandates rigorous adherence to quality and regulatory standards, including compliance with the Buy American Act and the Berry Amendment. Packaging must meet ASTM D3951 specifications, while marking and palletization must follow MIL-STD-129 and RP001 guidelines. The opportunity falls under NAICS code 332722 and is managed by the Department of Defense.

Bolt, Nut, Screw, Rivet, and Washer Manufacturing

POSTED

about 2 hours ago

DEADLINE

Military-Spec Packaging and International Shipping (Guam)This subcontract through the Defense Logistics Agency involves specialized military packaging, marking, and international transportation services for prime contractors delivering supplies to Guam. The scope of work specifically requires the packaging of mufflers in accordance with ASTM D3951, marking per MIL-STD-129, and palletization following RP001 requirements. The selected provider must utilize the fastest traceable shipping methods to ensure delivery to the MESG One Detachment in Guam. This opportunity falls under NAICS code 488330 and is managed by the Department of Defense.

Navigational Services to Shipping

POSTED

about 2 hours ago

DEADLINE

Exhaust Muffler Supply (NSN 2990-01-566-4579)This subcontract involves the manufacture or procurement of one specialized exhaust muffler, identified by NSN 2990-01-566-4579, to support prime contractors fulfilling Defense Logistics Agency supply contracts. The provider must ensure the product complies with DLA Master List of Technical and Quality Requirements RA001 and RQ011, while maintaining strict supply chain traceability documentation as specified in the contract terms. Managed under NAICS code 336390 for the Department of Defense, the agreement requires the delivery of a single completed unit. The solicitation was posted on October 28, 2026, with a response deadline set for November 4, 2026.

Other Motor Vehicle Parts Manufacturing

POSTED

about 2 hours ago

DEADLINE

Supply of Enamel (NSN 8010-00-297-0554)This subcontract involves the supply of 5,000 gallons of enamel paint to prime contractors supporting Defense Logistics Agency Troop Support contracts. The material must strictly adhere to NSN 8010002970554 and UFGS-09900 Division 09 specifications, while remaining compliant with the DLA Master List of Technical and Quality Requirements. Delivery is designated as FOB Destination, with the place of performance located at Hunter AAF. The contractor is responsible for ensuring all packaging and labeling meet MIL-STD-129 and MIL-STD-2073-1E standards, specifically including the provision of lot and batch numbers. This procurement falls under NAICS code 325510 and is managed by the Department of Defense. The response deadline for this requirement is November 3, 2026.

Paint and Coating Manufacturing

POSTED

about 2 hours ago

DEADLINE

Mold Release Agent Supplier (NSN 8030-01-233-1265)This subcontract involves the supply of a specific mold release agent, identified by NSN 8030-01-233-1265, to support prime contractors fulfilling Defense Logistics Agency requirements. The supplier must provide one 5-gallon can delivered FOB Destination to Illinois and US APO AE. To ensure product integrity, the agent must maintain a 12-month shelf life and be stored at temperatures between 60 and 80 degrees Fahrenheit. The contractor is required to adhere to strict regulatory and military standards, including compliance with the Buy American Act, the Berry Amendment, and 29 CFR 1910.1200. Additionally, all shipments must be packaged and marked in accordance with MIL-STD-2073-1E and MIL-STD-129. This procurement falls under NAICS code 325998 and is managed through the Department of Defense.

All Other Miscellaneous Chemical Product and Preparation Manufacturing

POSTED

about 2 hours ago

DEADLINE

Supply of Refractory Castable Mix (NSN 9350015694317)This subcontract involves the supply of refractory castable mix to prime contractors supporting Defense Logistics Agency contracts for the USS George H W Bush and USS Abraham Lincoln. The provider is responsible for manufacturing or sourcing material that meets NSN 9350015694317, with strict requirements for packaging according to MIL-STD-2073-1E and marking per MIL-STD-129. The agreement mandates full compliance with the Buy American Act and the Hazard Communication Standard. The scope of work requires the delivery of two units of castable mix on a FOB Destination basis. This procurement falls under NAICS code 327120 and is managed through the Department of Defense. Interested parties must adhere to the response deadline of November 9, 2026.

Clay Building Material and Refractories Manufacturing

POSTED

about 2 hours ago

DEADLINE

Supply of Incandescent Lamps (NSN 6240-01-563-9037)This subcontract through the Defense Logistics Agency involves the supply of 220 specialized incandescent lamps, specifically part number M6363/9-2 under NSN 6240-01-563-9037. The contractor is responsible for manufacturing or sourcing lamps that strictly adhere to MIL-DTL-6363J Revision J and MIL-DTL-6363/9A Revision A standards. All deliverables must meet rigorous quality assurance protocols per MIL-STD-1916 or ASQ H1331, with marking requirements following MIL-STD-129 and packaging compliant with RP001 and ASTM D3951. The project is subject to strict regulatory requirements, including mandatory compliance with the Berry Amendment and the Buy American Act. Performance for this contract is centered in Phoenix, Arizona, under NAICS code 334519. Interested parties must submit responses by November 9, 2026, to support prime contractors on DLA Troop Support projects.

Other Measuring and Controlling Device Manufacturing

POSTED

about 2 hours ago

DEADLINE

Earlier notices in this NAICS code

Posted before this notice, open and closed

DEXTROSE INJECTION,

Solicitation # SPE2D926F6483

Defense Logistics Agency

POSTED

DEADLINE

POVIDONE-IODINE TOP

Solicitation # SPE2DP-26-T-3682

Defense Logistics Agency

POSTED

CLOSED

SODIUM CHLORIDE INJ

Solicitation # SPE2DP-26-T-3665

Defense Logistics Agency

POSTED

CLOSED

ANTIDOTE TREATMENT

Solicitation # SPE2DP26F6303

Defense Logistics Agency

POSTED

DEADLINE

IBUPROFEN TABLETS, U

Solicitation # SPE2DP26F6314

Defense Logistics Agency

POSTED

DEADLINE

BENZOCAINE AND MENT

Solicitation # SPE2DP-26-T-3660

Defense Logistics Agency

POSTED

CLOSED

BUPIVACAINE HYDROCH

Solicitation # SPE2DP-26-T-3671

Defense Logistics Agency

POSTED

CLOSED

HYDROCORTISONE VALE

Solicitation # SPE2DP-26-T-3659

Defense Logistics Agency

POSTED

CLOSED

GABAPENTIN CAPSULES

Solicitation # SPE2DP-26-T-3650

Defense Logistics Agency

POSTED

CLOSED

METRONIDAZOLE TABLE

Solicitation # SPE2D9-26-F-6442

Defense Logistics Agency

POSTED

DEADLINE

BACITRACIN OINTMENT

Solicitation # SPE2DP26F6312

Defense Logistics Agency

POSTED

DEADLINE

DOXYCYCLINE HYCLATE

Solicitation # SPE2D9-26-F-6438

Defense Logistics Agency

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