Senior Airman Austin Jackson, a precision measurement equipment laboratory technician from the 18th Component Maintenance Squadron, examines a component of a TTU-205/J pilot-static test kit at Kadena Air Base, Japan, April 29, 2021. Depending on the piece of equipment, it can take hundreds of steps to calibrate properly. The technical expertise of the Airmen at PMEL allows them to produce accurate, reliable and traceable equipment that support operations across Kadena. (U.S. Air Force photo by Airman 1st Class Anna Nolte)