Photo by AAron B. Hutchins.
M1 57mm Anti-Tank gun from World War-2 (clicking the pics makes them bigger:
World War-2 M4A3 Sherman:
Cold War era M109A5(?) Self Propelled Howitzer:
Related: POKEY AIRPORT, IDAHO ARMY NATIONAL GUARD M109
Cold Ware era M548 cargo carrier:
Cold War era M60A3:
Armored Gate Guards: ARMOR MUSEUM FORT LEONARD WOOD, MISSOURI