Sikorsky H-5 Dragonfly helicopter (serial# 9601) at the National Air Force Museum of Canada in Trenton, Ontario.
<a href="//commons.wikimedia.org/wiki/User:JustSomePics" title="User:JustSomePics">JustSomePics</a>
<span class="int-own-work" lang="en">Own work</span>