U.S. Air Force Tech. Sgt. Samantha Brewer and Staff Sgt. Dennis Cobb, 489th Maintenance Squadron aircraft electrical and environmental systems specialists, drain oil from a B-1B Lancer into a bucket at Dyess Air Force Base, Texas, Nov. 19, 2016. The bucket is used to measure the amount of oil being extracted. (U.S. Air Force photo by Senior Airman Kedesha Pennant)