A temporary blackout
Capt. Jacob Belka, 344th Air Refueling Squadron assistant flight commander, pilots a KC-135 Stratotanker while it’s refueled during an solar eclipse Aug. 21, 2017. Belka slowly approached the flying boom, which is the KC-135’s primary fuel transfer method. (U.S. Air Force photo/Airman 1st Class Alan Ricker)