ELLSWORTH AIR FORCE BASE, S.D. -- Lightning strikes behind a B-1B Lancer during an evening thunderstorm, Sept. 9, 2010. An idea submitted by a maintainer with the 28th Maintenance Squadron to repair rather than replace landing gear door seals will save Ellsworth an estimated $60,000 a year. (U.S. Air Force photo/Senior Airman Corey Hook)