The Pershing was the first operational heavy tank of the US Army; originally the T26, the tank was eventually re-designated the M26 Pershing medium tank. Named

The 155-mm Howitzer M1 was first produced in 1942 as a medium artillery piece. It saw service with the US Army during World War II, the Korean War, and the Viet

From the Preface: The following pages provide a narrative analysis of the U.S. Army's development of armored organizations and their related doctrine, materiel,