Lieutenant Colonel Robert Bearden, 49th Logistics Readiness Squadron commander, and the 49th Logistics Readiness Squadron vehicle maintenance unit stand in front of a bus in their fleet at Holloman Air Force Base, N.M., July 19. Vehicle maintenance was instrumental in the squadron in achieving the Green Fleet Certification. A culmination of efforts, including data pull and vehicle adjustments, led to lower emissions throughout the fleet. (U.S. Air Force photo by Airman 1st Class Daniel E. Liddicoet/Released)