The 633rd Air Base Wing is comprised of three groups that provide installation support to more than 9,000 military and civilian personnel including Headquarters Air Combat Command and three operational wings. The Wing provides mission-ready expeditionary Airmen to combatant commanders in support of joint and combined operations worldwide. The activation of the 633 ABW as the new host unit for Langley Air Force Base, Va., Jan. 7, 2010, was the first step toward Joint Base Langley-Eustis.