Not trying to dismiss these quickly as a home front piece, but wasn't there a CPT type flight instructor wing that uses the V for Victory ...- in the center of the shield?
USAAF Contract Flight Instructors at "Victory Field" in Vernon, Texas, wore a similar "V" style wing... and incorporated the dot-dot-dot-dash symbol into their cap pieces and collar insignia.
Those similar wings are illustrated in the pinned section of the Wing Badges Forum under the topic "CAA/WTS/CPT/Flight Schools" page 23:
(The accompanying illustrations were originally posted in that thread by fellow Forum Member "Cookieman.")
Edited by rustywings, 05 December 2018 - 01:26 PM.