Display of US Army self propelled 105mm Howitzer M52. This was an improved version of the self propelled artillery on the M42 Patton Tank chassis with an enclosed (protected) turret, state of the art for the era. Used in Vietnam and later.
Display of the standard US Army heavy artillery, M1A1 155mm Howitzer. In use from WWI through the present day, this is the improved version produced in the 1950s. Senior non-commissioned officer in foreground with cadets viewing.