Col. Brian Musselman, right, accepts the 628th Medical Group guidon from Col. Jeffrey Nelson, 628th Air Base Wing commander, during a change of command ceremony in Nose Dock 2 July, 10, 2018. The ceremony also honored Lt. Col. Michael Lewis for his accomplishments as commander. The change of command ceremony provides an opportunity for subordinates to witness the formal transfer of total responsibility, authority and accountability from one officer to the next.

Col. Jeffrey Nelson, left, 628th Air Base Wing commander, presents Col. Craig Lambert with the Legion of Merit for his outstanding contributions as the 628th Medical Group commander during a change of command ceremony here July, 10, 2018, in Nose Dock 2. The change of command ceremony provides an opportunity for subordinates to witness the formal transfer of total responsibility, authority and accountability from one officer to the next.