Troy Farris, left, a fuels laboratory lead technician with the 35th Logistics Readiness Squadron, and U.S. Air Force Senior Airman Ken Leon Guerrero, right, a fuels laboratory technician with the 35th LRS, draw Jet Propellant 8 at Misawa Air Base, Japan, March 6, 2017. The fuel is checked for particulate matter, which consist of dirt, grime and water levels in the fuel that could negatively affect the F-16 Fighting Falcon flying mission. The duo ensures pilots are safe in the sky by carefully inspecting all fuel powering the jets (U.S. Air Force photo by Airman 1st Class Sadie Colbert)