Bomb Group -

: Letters or symbols painted on aircraft tails identified the group and its division. For instance, a "Square J" identified the 390th Bomb Group.

: A group was usually made up of four squadrons. For example, the 397th Bomb Group included the 596th, 597th, 598th, and 599th squadrons.

: Many units developed famous nicknames, such as the "Bloody Hundredth" (100th BG) or the "Jolly Rogers" (90th BG). Key Resources & Research Tools