The Government is conducting market research for potential sources capable of providing annual maintenance and sustainment for the Emergency Mass Notification System (Giant Voice) at Moody Air Force Base. The work includes conducting one annual preventive maintenance inspection, performing diagnostic and functional testing on 11 sirens and associated base station equipment, and providing emergency call-out support within 24 hours. The contractor must submit electronic reports within five calendar days of work completion and employ ATI-certified technicians. This is a sources sought notice for informational purposes only and is not a request for proposals. Interested vendors must submit a capability statement via email.