Some Royal Canadian Air Force airmen performing a skit in a variety show at a US base somewhere in England, 1944.    The two officers on the left are Flight-Lieutenants.  The tall man in the middle is a Flight-Sergeant.  The two airmen on the right are Flying Officers.  Reenactment, Joe Miller Camp, Warbirds of America, AirVenture 2013, Oshkosh, WI
<a href="//commons.wikimedia.org/wiki/User:SteveTheAirman" title="User:SteveTheAirman">J. Steve Bond</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>