Pfc. Josh N. Villalobos replaces the locking screws of the propeller engine door on a KC-130J Hercules located on the flight line infront of the Marine Aerial Refueler Transport Squadron 252 April 24. Villalobos spends mornings maintaining and fixing anything and everything that has to do with three vital pieces of the aircraft – propellers, engines and fuel lines. He conducts daily checks over all three systems each morning. Villalobos, a Cincinnati, Ohio, native, said the powerline Marines aren’t like other mechanics who deal with the whole aircraft. “Powerline deals with specifics. We have a lot of different moving parts we have to deal with and maintain,” he said. He is a powerline mechanic with VMGR-252. - Pfc. Josh N. Villalobos replaces the locking screws of the propeller engine door on a KC-130J Hercules located on the flight line infront of the Marine Aerial Refueler Transport Squadron 252 April 24. Villalobos spends mornings maintaining and fixing anything and everything that has to do with three vital pieces of the aircraft – propellers, engines and fuel lines. He conducts daily checks over all three systems each morning. Villalobos, a Cincinnati, Ohio, native, said the powerline Marines aren’t like other mechanics who deal with the whole aircraft. “Powerline deals with specifics. We have a lot of different moving parts we have to deal with and maintain,” he said. He is a powerline mechanic with VMGR-252.