Darren Miller of Rumford was promoted to the rank of lieutenant colonel in the U.S. Air Force, effective July 1.

He graduated from Embry-Riddle Aeronautical University and received his master’s degree from the University of Oklahoma. Miller’s career began with C-130s airlift planes at Dyess Air Force Base in Texas.

He attended the defense language institute in California to become fluent in the German language and flew with the German Luftwaffe for three years in the C-160 transport aircraft, just north of Hamburg, Germany.

Miller was then transferred to Ramstein AFB, Germany, where he worked directly for the base commander on the closure of Rhein-Main AFV, assisting with the transfer of the airlift mission to Ramstein.

He then moved over to the 37th Airlift Squadron at Ramstein, working as the assistant director of operations.

Miller is currently assigned to the headquarters AF operational test center at Kirtland AFB in Albuquerque, N.M., where he resides with his wife, Margit. He is the son of Roger and Marcelle Miller of Rumford.