142nd Operations Group Welcomes New Commander
U.S. Air Force Col. David Christensen (left), 142nd Wing commander, gives the 142nd Operations Group (OG) guidon to Lt. Col. Joshua Hovanas, incoming 142nd OG commander, during a change of command ceremony for the 142nd OG at Portland Air National Guard Base, Portland, Ore., Dec. 6, 2025. (U.S. Air National Guard Photo By. Tech. Sgt. Alexander Frank)