Submitted by Doug Hanify
M1 ABRAMS Tank commander and gunner stations evolution through the M1A2 tank series
Top left: Original M1A2
Top right: M1A2 SEP/SEP v2
Bottom: M1A2 SEP v3 (turret demonstrator)
"The American, by nature, is optimistic. He is experimental, an inventor, and a builder who builds best when called upon to build greatly." -John F. Kennedy
Photo courtesy of Task Force LIMA
Toomas Hendrik Ilves, right, the president of Estonia, rides in an U.S. Army M1A2 SEP v2 Abrams Tank with 1st. Lt. Brian Van Vliet, a native of Fort Washington, Md., and platoon leader with C Company, 2nd Infantry Battalion, 7th Infantry Regiment, 3rd Infantry Division at a presidential visit with Soldiers in Jõhvi, Estonia, May 9, 2015.
Photo by Capt. Albert Jernegan Courtesy of: 16th Mobile Public Affairs Detachment
M1 Abrams tanks are moved into place to be loaded into a C-5M Super Galaxy, at Dover Air Force Base, Del. Nov. 15, 2011
U.S. Air Force photo by Roland Balik
A convoy of US Army 3rd Infantry M1A1 Abrams tanks cross the Euphrates river as black smoke rises after an explosion as hundreds of armored vehicles push towards the outskirts of Baghdad on April 6, 2003.
REUTERS photo by: KAI PFAFFENBACH