Irwin Army Community Hospital at Fort Riley has a new commander.
Col. Jeffrey J. Johnson took over command from Col. Dawn Smith at a change of command ceremony Friday at the post's Cavalry Parade Field.
Smith has been in charge of the hospital since July 2006. She is moving to Fort Sam Houston in Texas to be the Deputy Chief of Medical Service Corps and the Corps Specific Branch Proponent Officer.
Johnson comes to Fort Riley from the 82nd Airborne Division stationed at Fort Bragg, North Carolina where he was the division surgeon.