Airman 1st Class Christopher Paulus, a student from the 931st Aircraft Maintenance Squadron at McConnell AFB, Kan., sits in front of a C-130 Hercules communication system trainer at Sheppard AFB, Texas, July 14. Airman Paulus earned the ACE award after completing 952 hours of instruction in both the Communications, Navigation and Mission Systems Apprentice course at Sheppard and the Electronic Principles course at Keesler AFB, Miss., with a score of 100 percent. Airman Paulus is the first trainee in the history of the course to achieve a 100 percent combined average for both course’s 24 blocks of instruction. (U.S. Air Force photo/Tech. Sgt. Justin Dahlmann)