This content requires the base game Hearts of Iron III on Steam in order to play.

The US spritepack adds 17 more US sprites in the game. You will se among other things, the Iowa Class battleship, the B-29 Super Fortress and the M4/E8 Sherman Medium Tank.
8 new ships:
BB: Iowa Class
CV: Essex Class
BB: North Carolina Class
CV: Lexington class
SS: Gato Class Submarine
CL: Brooklyn Class
CA: Baltimore Class
DD: Fletcher Class
4 new airplanes:
Interceptor: North American F-86 Sabre
Strategic Bomber: B-29 Super Fortress
Interceptor: Grumman F6F Hellcat
Tactical Bomber: Martin B-26 Marauder
4 new tanks:
Light Amour: M-5 Stuart
Medium Armour M-3 Lee
Medium Armour: M4/E8 Sherman
Heavy Armour: M-26 Pershing

Hearts of Iron III: US Pack DLC