127th Aircraft Maintenance Squadron training video Published July 18, 2010 By SSgt. Rachel Barton 127th Public Affairs Selfridge Air National Guard Base, Mich. -- The full time technicians of the 127th Aircraft Maintenance Squadron have developed a unique training blitz which combines job skills with friendly competition on the flight line and in the hangars. Crew chiefs of the 191st AMXS squadron worked in teams of four, competing at tasks such as towing aircraft, changing tires, and adding necessary lubricants and fluids to the A-10 attack aircraft. Click here to see a video of the action.