Commissioned 3.1.44 as VMSB-454, VMTB-454 on 10.14.1944, and finally, VMTB(CVS)-454 on 11.5.44. It originated in El Toro and ventured to Mojave, Santa Barbara, USS Puget Sound and back to Santa Barbara by August, 1945. While not as attractive as, say, VMF-214, it is part of the USMC history in WWII and has a screamer of a squadron insignia. A Disney art design, it was approved in 1944 by HQMC.
HELLDIVER: Nickname derived from the insignia and original aircraft
BLUE Background: Limitless Sky
GOLD Triangle & CRIMSON Cloak: Colors of the USMC
FLASHING Bomb: Our Primary Mission
GRINNING Determination of Helldiver: The RESOLUTION to push the attack forewarn the face of all odds.
The Disney design is accurately reflected in the patch. I am not sure if this was a Hank Porter art piece, but I am currently researching that aspect and hope to have information from David Lesjak and the National Museum of the Marine Corps. The original patch is a US embroidered on wool and quite attractive. It is this patch that is present on the flight jackets in any wartimes photos I have seen. Here is the 1st issued patch...