The 51st Fighter Wing Communications Squadron / RCO-Osan is issuing this sources sought synopsis as a means of conducting market research to identify parties having an interest in and the resources to... The 51st Fighter Wing Communications Squadron / RCO-Osan is issuing this sources sought synopsis as a means of conducting market research to identify parties having an interest in and the resources to support the requirement for Mass Notification System (Giant Voice) Maintenance Support Services. The intention is to procure these services on a competitive basis