Marine Corps Pfc. Timothy R. Logan, grandson of Shirley A. Logan of Woodbury, recently completed the Aviation Electrician's Mate Course and was promoted to his current rank. During the five-month course with Marine Aviation Training Support Group 21, Naval Air Training Command, Pensacola, Fla, Logan received training in electrical theory and circuitry to prepare to work on the electrical components of jet aircraft. Logan also studied a variety of aircraft electrical systems including electro-hydraulic, automatic flight control, and electrical. Logan is a 2008 graduate of Cannon County High School and joined the Marine Corps in December 2008.