# SAM #HC102821F0336

Bridge extension of MSC COMSEC Key Management Infrastructure support

**Buyer:** DISA IT Contracting Division (PL83)
**Posted:** October 20, 2026
**Identifier:** HC102821F0336
**NAICS:** 541519

This notice justifies a bridge extension to keep Military Sealift Command’s COMSEC Key Management Infrastructure support running while a follow-on contract is awarded.
- **Agency and purpose:** DISA’s DITCO is the contracting activity for Military Sealift Command (MSC), requiring agency N642. The support serves MSC’s COMSEC program and Tier Two COMSEC parent accounts.
- **Services:** Continue managing, safeguarding, issuing, tracking, and disposing of COMSEC materials for more than 140 globally dispersed Local Element accounts.
- **Incumbent:** Tetrad Digital Integrity, LLC; the bridge is intended to prevent a service gap. No products or product quantities are listed.
- **Timing:** The existing task order expires October 19, 2026. The bridge may run for up to six months, through April 19, 2027; the follow-on award is currently expected within three months.
- **References:** Delivery order HC102821F0336, contract GS35F0414U, and modification P00017.

### Description

<p>The services support MSC&#39;s COMSEC program and Tier Two COMSEC (Parent) accounts responsible for the management, safeguarding, issuance, accountability, and disposition of COMSEC materials to over 140 globally dispersed Local Element accounts.</p>

[View original listing](https://sam.gov/opp/5b4bf2c7a2d74eed8a1753b6d07b9867/view)