# National Defense R&D Services; Defense-Related Activities; Basic Research (PSC AC31)

Canonical: https://abierto.us/psc/ac31

Federal contract opportunities under product and service code AC31. 3 opportunities in the window, 0 open now.

## Recent (3 in all)

- July 31, 2026: Microscopy of units and Profilometry of units (N6660426Q0411), combined synopsis and solicitation. https://abierto.us/opportunities/n6660426q0411
- July 7, 2026: NOTICE OF INTENT TO SOLE SOURCE - Software development and support services for the continued development of Target Damage Cards (TDC) (W911QX26RA036), presolicitation. https://abierto.us/opportunities/w911qx26ra036
- June 24, 2026: RFI - Mini-MUTES Transmitter Engineering and Obsolescence Study (FA8210-26-MMUTES), sources sought. https://abierto.us/opportunities/fa821026mmutes

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Sources: SAM.gov Contract Opportunities extract and USAspending.gov award data. Cite https://abierto.us/psc/ac31.