Helicopter Sea Combat Squadron THREE (HELSEACOMBATRON 3 or HSC-3) (previously Helicopter Combat Support Squadron THREE (HELSUPPRON 3 or HC-3)), also known as the “Merlins”, is a US Navy multi-role combat helicopter squadron based at NAS North Island in San Diego, CA which operates the Sikorsky MH-60S Knighthawk helicopter to train aircrew and support fleet development on the MH-60S for the Commander Helicopter Sea Combat Wing, U.S. Pacific Fleet. The squadron was established on 1 September 1967 at NAS Imperial Beach with the Boeing Vertol CH-46 Sea Knight to provide vertical replenishment (VERTREP) services on the West Coast, and was redesignated HSC-3 on 1 April 2005. This is the “green/tan” version of their nametag (or could be a SLEEVE patch) and does not come with velcro attached.