Senior Airman Robert Lee Prankard, 60th Maintenance Squadron aircraft metals technician, monitors a water jet as it cuts through old aircraft material to create parts for face shields March 31, 2020, at Travis Air Force Base, Calif. The 60th Air Mobility Wing Phoenix Spark innovation cell, 60th MXS and 60th Bioenvironmental Engineering Squadron collaborated to come up with easy-to-manufacture PPE for David Grant U.S. Air Force Medical Center personnel. (U.S. Air Force photo by Tech. Sgt. Traci Keller)