NASA is issuing a competitive, total‑small‑business set‑aside RFP for the NASA Protective Services Contract – South Region (NPSC‑SR) II. The contract will replace the existing protective‑services contract and provide security, guard, emergency‑response, communications, and classified‑information handling services across multiple NASA centers (KSC, JSC, MSFC, SSC, ARC, WSTF/WSC, MAF). Work includes 24/7 uniformed armed security police, dispatch, locksmith, badge/credential issuance, background‑investigation support, training (firearms, tactical, first‑aid, etc.), vehicle and range management, and compliance with Top‑Secret clearance requirements. The award is anticipated in December 2026, with performance beginning 1 April 2027 for an initial period of six years six months (option periods possible). The solicitation is a Firm‑Fixed‑Price IDIQ with an estimated value well above the $29 M NAICS size standard. Key dates: solicitation release ≈ 3 Aug 2026, virtual presolicitation conference 24 Jun 2026, proposal due 14 Sep 2026.