Sikorsky HO3S-1 Dragonfly | Igor Sikorsky had pioneered mili… | Flickr
Sikorsky H-5 Dragonfly RCAF (1 kit in bag with canopy paint mask) Miniwing 339
Sikorsky HO3S-1 helicopter, Helicopter Utility Squadron One (HU-1) On board USS Philippine Sea (CV-47) during operations off Korea, circa 19 October 1950. Crewman is backing off vacuum prior to starting the helicopter's