Activated on Jan 15, 1951 as Marine Helicopter Transport Squadron 161 (HMR-161)
Redesignated on Dec 31, 1956 as Marine Helicopter Transport Squadron (Light) 161 (HMR(L)-161)
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The squadron was activated on January 15, 1951 at Marine Corps Air Station El Toro, California, as Marine Helicopter Transport Squadron 161 (HMR-161)