A KC-135 Stratotanker approaches the flight line April 26, 2016, on Grand Forks Air Force Base, N.D. Aircraft from Offutt Air Force Base, Neb., and McConnell Air Force Base, Kan., arrived at Grand Forks AFB as part of a severe weather evacuation. The aircraft will stay at Grand Forks AFB until the severe weather has passed. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/Released)
An RC-135V/W Rivet Joint reconnaissance aircraft lands on the flight line April 26, 2016, on Grand Forks Air Force Base, N.D. The aircraft from Offutt Air Force Base, Neb., traveled to Grand Forks AFB to escape a severe weather threat and will stay until the threat has passed. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/Released)
A KC-135 Stratotanker taxis down the flight line April 26, 2016, on Grand Forks Air Force Base, N.D. The aircraft was one of the first of several aircraft that traveled to Grand Forks AFB to escape severe weather warnings at their home stations. (U.S. Air Force photo by Staff Sgt. Desiree Economides/Released)
Dale Conner, 319th Operations Support Squadron aircraft server, directs a KC-135 Stratotanker April 26, 2016, on Grand Forks Air Force Base, N.D. The aircraft arrived from McConnell Air Force Base, Kan., as part of a severe weather evacuation. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/Released)
Several KC-135 Stratotankers sit on the flight line April 26, 2016, on Grand Forks Air Force Base, N.D. The aircraft waited out severe weather in the Midwest before returning to their home stations. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/Released)
Several aircraft sit on the flight line April 27, 2016, on Grand Forks Air Force Base, N.D. The aircraft from Offutt Air Force Base, Neb., and McConnell Air Force Base, Kan., traveled to Grand Forks AFB to escape severe weather warnings at their bases. (U.S. Air Force photo by Airman 1st Class Ryan Sparks/Released)