Travel Voucher Air Force Staff Sgt. Kridson Stetson, 9th Comptroller Squadron financial operations flight, fills out a travel voucher at Beale Air Force Base, Calif., Sept. 9, 2020. SHARE IMAGE: Download Image: Full Size (1.2 MB) Photo By: Air Force Airman 1st Class Luis A. Ruiz-Vazquez VIRIN: 200909-F-WF370-0010C.JPG Photo Gallery