Lance Cpl. Joseph Rivera, MSWW 171, and Airman 1st Class Christina Flake, 18th Logistic Readiness Squadron, look at the fuel gauge of a R-11 fuel truck at Kadena Air Base, Japan, Dec. 6, as part of the maintenence process to ensure the fuel truck is operating correctly. Airmen from the 18th Wing joined with elements from the 1st Marine Aircraft Wing to conduct a joint operational readiness exercise here Dec. 3-7. (U.S. Air Force/Senior Airman Darnell T. Cannady)