Original sentence: As first lieutenant in USAF, Henrik Bull was stationed at MIT Lincoln Laboratory and worked with Buckminster Fuller on developing the geodesic radar domes for the Distant Early Warning Line (DEW Line) system at the north slope of Alaska.These are now in general use all over the world
Edited sentence: As as first lieutenant in USAF, Henrik Bull was stationed at MIT Lincoln Laboratory and worked with Buckminster Fuller on developing the geodesic radar domes for the Distant Early Warning Line (DEW Line) system at the north slope of Alaska