Kellett XO-60. At the Steven F. Udvar-Hazy Center, Washington, D.C.
Photograph by <a href="//commons.wikimedia.org/wiki/User:Mike_Peel" title="User:Mike Peel">Mike Peel</a> (<a rel="nofollow" class="external text" href="https://www.mikepeel.net/">www.mikepeel.net</a>).
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>