Not exactly Utah proper but I've always thought using that as the code name for one of the D-Day beaches was cool, and everything related to D-Day and what it meant for winning WW2. I'm sure the cool smart people on the board could think of stuff. I don't know, probably too much of a stretch. Things related to Utah Beach/D-Day

Liberators (Allied forces themselves)
44's
Bombers
Marauders (type of bomber used that day)
Paratroopers