Jul 23, 2025 · The United States First Army Headquarters is located at Rock Island Arsenal, IL. Arsenal Island is a 946-acre island in the Mississippi River that is centrally located within the …

First Army – America’s FIRST, oldest and longest-standing field army – was established in France August 10, 1918, under the command of General John J. “Black Jack” Pershing and organized …

The First Army was established on 10 August 1918 as a field army when sufficient American military manpower had arrived on the Western Front during the final months of World War I.

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Upon going ashore on 6 June 1944, D-Day, First Army came under General Bernard Montgomery's 21st Army Group (alongside the British Second Army) which commanded all …

Jul 10, 2023 · Today, Division East is a multi-component Division comprised of 3,762 Active Duty, U.S. Army Reserve, and Army National Guard Soldiers and DA Civilians organized into five …

First Army Leadership Lt. Gen. Mark Landes Commanding General VIEW BIO Command Sgt. Maj. Christopher Prosser Command Sergeant Major VIEW BIO Lt. Gen. Mark Landes …

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June 9, 2025 — First Army has assumed a crucial role in countering the threat posed by Unmanned Aircraft Systems. It is working with Army Reserve and Army National Guard units …

They provide administrative control, evaluate task performance, and give constructive feedback to participants during the division-level exercise, which began Oct. 30 and is scheduled to end …