Electricians assigned to the 633rd Civil Engineer Squadron take down inactive power lines at Langley Air Force Base, Va., Oct. 10, 2014. The squadron works on projects like this on Fridays for on-the-job training. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)

U.S. Air Force Airman 1st Class Josh Tomadad, 633rd Civil Engineer Squadron electrician, removes suspension insulators from power lines at Langley Air Force Base, Va., Oct. 10, 2014. A crew from the squadron took down the lines because they were inactive, and used the activity as on-the-job training. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)

U.S. Air Force Senior Airman Theodore Sebsibe, 633rd Civil Engineer Squadron electrician, rolls up inactive power lines after taking them down at Langley Air Force Base, Va., Oct. 10, 2014. Members of the 633rd CES rotated jobs while taking down the lines to gain experience in various areas of the activity. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)

U.S. Air Force Airman 1st Class Tyrus Vaughn, 633rd Civil Engineer Squadron electrician, rolls up power lines after taking them down at Langley Air Force Base, Va., Oct. 10, 2014. Several junior and senior members of the 633rd CES accomplished taking down the lines as a form of on-the-job training. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)

Electricians assigned to the 633rd Civil Engineer Squadron take down inactive power lines at Langley Air Force Base, Va., Oct. 10, 2014. The squadron is keeping the lines and poles for future training events. Usually these materials would be sent to a recycling center or thrown away. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)

Electricians assigned to the 633rd Civil Engineer Squadron remove suspension insulators from inactive power lines at Langley Air Force Base, Va., Oct. 10, 2014. The crew removed the insulators after taking down the inactive power lines. The 633rd CES is saving all the materials taken down including power lines, poles and suspension insulators to make a training site for the squadron. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)