U.S. Air Force 509th Logistics Readiness Squadron vehicle maintenance technicians work on replacing the transmission of an up-armored Humvee at Whiteman Air Force Base, Missouri, Oct. 13, 2020. Vehicle maintenance ensures base security by keeping vehicles such as Humvees, Lenco Bearcats and police cars are in the best shape possible. (U.S. Air Force photo by Airman 1st Class Parker J. McCauley)