Colonel Dean E. Bushnell was commissioned an Infantry Officer upon graduation from Officer Candidate School Class 2-92, 17 April 1992. His first duty assignment was as Infantry Rifle Platoon Leader, 4th Battalion, 22"d Infantry Regiment, 251h Infantry Division (Light), Schofield Barracks, Hawaii. | His subsequent duty assignments include: Executive Officer, C/4th BN, 22nd IN Regiment, 25th ID (Light), Schofield Barracks, Hawaii; Scout Platoon Leader, 4th BN, 22nd IN Regiment, 25th ID (Light), Schofield Barracks, Hawaii; Deputy Brigade Operations Officer (S3), 1st Brigade, 3rd ID (Mech), Fort Stewart, Georgia; Commander, C/2nd BN, 7th IN Regiment, 3rd ID (Mech), Fort Stewart, Georgia; Commander, HHC/2nd BN, 7th IN Regiment, 3rd ID (Mech), Fort Stewart, Georgia; Brigade S3, 6th Brigade, 1st Region, Hunter Army Airfield, Georgia; OPS Officer, 3rd Army, Coalition Forces Land Component Command, Camp Arifjan, Kuwait; Commander, C/22nd BN, 11th IN Regiment, Fort Benning, Georgia; Commander, A/2nd BN, 11th IN Regiment, Fort Benning, Georgia; Executive Officer, 2nd BN, 69th AR Regiment, Fort Stewart, Georgia; Executive Officer and Operations Officer, 2nd Bn, 69th AR Regiment, Forward Operating Base Rustamyah, Baghdad, Iraq; Deputy Commander, 199th IN Brigade, Fort Benning, Georgia; OCS Commandant and Battalion Commander, 3rd BN, 11th IN Regiment (Officer Candidate School), Fort Benning, Georgia; Deputy Commander, 4th Infantry Brigade Combat Team, 4th ID, Fort Carson, Colorado; Deputy Commander, Task Force Mountain Warrior, Regional Command- East, Forward Operating Base Fenty, Jalalabad, Afghanistan. | Colonel Bushnell's military education and training includes: Infantry Officer Basic and Advance Courses, Combined Arms Services Staff School, Command and General Staff College, and U.S. Army War College. He is also a graduate of Airborne School, Air Assault School, Rappel Master School, Jungle Expert - Jungle Operations Training Center, Survival Evade Resistance Escape Level C, Pathfinder School, Jumpmaster School, TOW Leader Course, Bradley Leader Course and the Ranger Course.