President Donald Trump on Saturday nominated Army Chief of Staff General Mark Milley to be the next chairman of the Joint Chiefs of Staff.

Taking to Twitter on Saturday morning, President Trump posted: “I am pleased to announce my nomination of four-star General Mark Milley, Chief of Staff of the United States Army — as the Chairman of the Joint Chiefs of Staff, replacing General Joe Dunford, who will be retiring.  “I am thankful to both of these incredible men for their service to our Country!”

If approved by the Senate — and no objection is expected by observers — General Miller will be the first Chairman to serve a four-year term, a change passed into law in 2017.

From General Milley’s official bio: General Mark A. Milley assumed duty as the 39th Chief of Staff of the U.S. Army August 14, 2015 after most recently serving as the 21st Commander of U.S. Army Forces Command at Fort Bragg, North Carolina.

A native of Winchester, Massachusetts, General Milley graduated and received his commission from Princeton University in 1980. He has had multiple command and staff positions in eight divisions and Special Forces throughout the last 35 years.

He has served in command and leadership positions from the platoon and operational detachment alpha level through Corps and Army Command including the 82nd Airborne Division and the 5th Special Forces Group at Fort Bragg, North Carolina; the 7th Infantry Division at Fort Ord, California; the 10th Mountain Division at Fort Drum, New York; the 2nd Infantry Division in Korea; the Joint Readiness Center at Fort Polk, Louisiana; the 25th Infantry Division at Schofield Barracks, Hawaii; the 101st Airborne (Air Assault) at Fort Campbell, Kentucky; and the 1st Cavalry Division and 3rd Infantry Division in Baghdad, Iraq.

He commanded the 1st Battalion, 506th Infantry, 2nd Infantry Division; the 2nd Brigade, 10th Mountain Division; served as the Deputy Commanding General for the 101st Airborne (Air Assault); and served as the Commanding General for 10th Mountain Division. While serving as the Commanding General, III Corps and Fort Hood, he deployed as the Commanding General, International Security Assistance Force Joint Command and Deputy Commanding General, U.S. Forces – Afghanistan. Additionally, he served on the operations staff of The Joint Staff as the J33/DDRO, and as a Military Assistant to the Secretary of Defense at the Pentagon.

His operational deployments include the Multi-National Force and Observers, or MFO, Sinai, Egypt; Operation JUST CAUSE, Panama; Operation UPHOLD DEMOCRACY, Haiti; Operation JOINT ENDEAVOR, Bosnia-Herzegovina; Operation IRAQI FREEDOM, Iraq; and three tours during Operation ENDURING FREEDOM, Afghanistan. He also deployed to Somalia and Colombia.

General Milley’s education includes a Bachelor’s Degree in Political Science from Princeton University, Master’s Degrees from Columbia University (International Relations) and from the U.S. Naval War College (National Security and Strategic Studies). He is also a graduate of the MIT Seminar XXI National Security Studies Program.

General Milley and his wife have been married for more than 30 years and have two children.

His awards and decorations include the Defense Distinguished Service Medal; Army Distinguished Service Medal with two bronze oak leaf clusters; Defense Superior Service Medal with two bronze oak leaf clusters; Legion of Merit with two bronze oak leaf clusters; Bronze Star Medal with three bronze oak leaf clusters; Meritorious Service Medal with silver oak leaf cluster; Army Commendation Medal with four bronze oak leaf clusters; Army Achievement Medal with one bronze oak leaf cluster; National Defense Service Medal with one bronze service star; Armed Forces Expeditionary Medal with two bronze service stars; Afghanistan Campaign Medal with two bronze service stars; Iraq Campaign Medal with two bronze service stars; Global War on Terrorism Service Medal; Korea Defense Service Medal; Humanitarian Service Medal; Army Service Ribbon; Overseas Service Ribbon with numeral 5; NATO Medal with bronze service star; and the Multi-national Force and Observers Medal. He is authorized to wear the Combat Infantryman Badge with star; Expert Infantryman Badge; Master Parachutist Badge; Scuba Diver Badge; Ranger Tab; Special Forces Tab; Joint Chiefs of Staff Identification Badge; Joint Meritorious Unit Award; and Meritorious Unit Commendation and the French Military Parachutist Badge.