51st Fighter Wing Mass Notification System (Giant Voice) Maintenance Support, Osan Air Base, Republic of Korea

The U.S. Government is seeking maintenance support services for the 51st Fighter Wing Mass Notification System, commonly referred to as the Giant Voice system, located at Osan Air Base in the Republic of Korea. This requirement is solicited under contract number W90VN626QA999, with proposals due by August 17, 2026, and was posted on July 13, 2026. The work involves ongoing maintenance, repair, and operational support to ensure the integrity and reliability of the mass notification infrastructure, which is critical for emergency alerts and force protection across the base. Services must be performed to sustain system readiness in accordance with military standards, and contractors will be expected to respond promptly to outages and perform preventative maintenance as needed. The contract falls under NAICS code 811210, which covers electronic equipment repair and maintenance, and is being managed by the Department of Defense through the 0906 Aq Co Contracting Bat, based in APO, AP, with a zip code of 96202-0000. Point of contact for inquiries includes Bo Kyoung Kim as primary and Anthony S. Mosley as secondary, both reachable via official military email addresses. The place of performance is confirmed as Osan Air Base, and the solicitation is classified under a combined type indicating it may involve both fixed-price and cost-reimbursement elements as needed. Contractors must have the capability to support operations in a high-security, overseas military environment with full compliance to U.S. government regulations and security protocols.