A quick take on Jon's suggestion for a US Navy A-20.
http://beyondthesprues.com/Forum/index.php?topic=307.msg84429#msg84429No background story other than (top) a straightforward torpedo-carrying adaptation of the A-20G, and (bottom) a revised, lightened, 2-seat torpedo bomber for carrier use. The latter has folding wings, the cockpit moved to the nose, upper fuselage cut down (for 360° turret arc), nose wheel moved forward (to enlarge bomb bay for torpedo stowage), tailhook and other carrier fittings.
I'm not sure what to call these beasts. The USN did have
Havocs in service as BD-1 and BD-2s. [1] I'm guessing that the A-20G would simply become a BD-3 but the carrier version would receive a distinct designation. TB2D-1 was the RW
Skypirate (Oct 1943) TB3D-1 was assigned Aug 1943 - Feb 1944 for an A-26
Invader variant. So, the shipboard
Havoc's designation would depend upon delivery date.
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[1] BD-1 was a single A-20A loaned to the US Navy for target tug tests. Eight BD-2 (A-20Bs) were used as USN/USMC high-speed target tugs.