<p>HRS-1 United States Marine Corps version of the HO4S for eight troops, 60 built. The squadron was activated on January 15, 1951 at Marine Corps Air Station El Toro, California, as Marine Helicopter Transport Squadron 161 (HMR-161) Air Fleet Marine Force Pacific, the squadron moved a month later to Marine Corps Air Facility, Santa Ana, California to train on their new helicopter, the Sikorsky HRS-1
</p><p>Marine Corps Air Station Miramar (MCAS Miramar) (IATA: NKX, ICAO: KNKX, FAA LID: NKX)
Photo: Tomás Del Coro
Miramar Air Show 2014
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October 4, 2014
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/45549579@N05">Tomás Del Coro</a> from Las Vegas, Nevada, USA
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/tomasdelcoro/15542730881/">Sikorsky HRS-1 130252 HMR-161</a>