U.S. Air Force Gen. Hawk Carlisle, commander of Air Combat Command, referees an arm wrestling match between Chief Master Sgt. Steve McDonald, ACC command chief, and Airman 1st Class Chris Drzazgowski, 355th Fighter Wing public affairs photojournalist, at Davis-Monthan, March 1. While McDonald and Carlisle visited D-M, they observed the 2015 Heritage Flight Training and Certification Course and interacted with base Airmen.