Maintenance of fire suppression systems for HAZMAT lockers is required in support of Forward Deployed Naval Forces, Puget Sound Naval Shipyard Yokosuka, and Intermediate Maintenance Facility. The period of performance includes a base year from 1 Dec 2026 through 30 Nov 2027 and four option years through 30 Nov 2031. Work will be performed at Berth 12 or another prearranged location at Fleet Activities Yokosuka in Yokosuka, Japan, with access coordinated in advance with PSNS&IMF. The requirement is limited to sources authorized to operate and do business in Japan under DFARS 252.225-7042, and prime contractors outside Japan must provide documentation demonstrating compliance. Incomplete or ambiguous offers may not be considered.