U.S. Air Force Chief Master Sgt. Brian Kruzelnick, Air Mobility Command command chief, right, and Tech. Sgt. Giacomo Zignago, 571st Mobility Support Advisory Squadron independent duty medical tech senior adviser, left, perform tactical combat care on a simulated patient during a tour of the global readiness deployment center at Travis Air Force Base, California, Sept. 1, 2020. Kruzelnick became the command chief for AMC in August. (U.S. Air Force photo by Nicholas Pilch)