COL Sean A. Gainey  
      108th Air Defense Artillery Brigade
      Brigade Commander

Colonel Sean A. Gainey was commissioned as a Second Lieutenant in the Air Defense Artillery following his graduation from Georgia Southern University in 1990. After the Air Defense Artillery Officer's Basic Course, his first duty assignment was in 5th Battalion, 2nd Air Defense Artillery, where he served as a Chaparral/Stinger Platoon Leader, Avenger Battery Executive Officer and Assistant Operations Officer. In 1995 he completed the Air Defense Artillery Officer's Advanced Course and was assigned to 3rd Battalion, 43rd Air Defense Artilley at Fort Bliss, Texas where he served as an Assistant Operations Officer and Commander of Charlie Battery.

While in command, he deployed his battery to Bahrain in support of Operation Southern Watch. In 1998 Colonel Gainey was assigned to the Combat Maneuver Training Center in Hohenfels Germany where he served as an Air Defense Artillery Observer Controller and G3 Plans Officer. In 2002, following attendance at the US Army Command and General Staff College, he was assigned to 5th Battalion, 7th Air Defense Artillery where he served as the Battalion Executive Officer. While serving as the Battalion XO, the battalion deployed to Israel and Turkey during OIF I. Colonel Gainey then served as the Brigade Operation's Officer for 69th Air Defense Artillery Brigade.
 
In 2004, Colonel Gainey was assigned to the United States Army Human Resources Command in Alexandria Virginia, where he served as the LTC Assignment Officer and Executive Officer to the Director of Officer Personnel Management Directorate. In 2007, Colonel Gainey commanded 5th Battalion, 7th Air Defense Artillery. In 2009, Colonel Gainey served as Chief in the Air and Missile Division, United States Army Europe. Colonel Gainey is married to Vera and has two children: Tatjana (18) and Justin (14).