Portland police will hold a swearing-in ceremony Friday for new command staff and supervisors.

Chief Michael Sauschuck has selected Vern Malloch to be assistant chief, the No. 2 position in the department, and Gary Rogers will replace Malloch as commander, the No. 3 position in the chain of command.

Robert Doherty and Cliff Strout will be promoted from sergeant to lieutenant during the ceremony, which will be held at the police auditorium at 9 a.m.