when did the second war take place?
UNANSWERABLE
what is the 1994 fairchild air force base b-52 crash about? On Friday, 24 June 1994, a United States Air Force (USAF) Boeing B-52 Stratofortress crashed at Fairchild Air Force Base, Washington, United States who designed boeing b-52? Boeing engineers George S. Schairer, Art Carlsen and Vaughn Blumenthal when did it get upgraded? July 2013 was it a part of any war? Yes,  Cold War, Vietnam War, Gulf War
wiki:22151350
Boeing B-52 Stratofortress [SEP] Introduction
The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since the 1950s. The bomber is capable of carrying up to of weapons, and has a typical combat range of more than 8,800 miles (14,080 km) without aerial refueling. Beginning with the successful contract bid in June 1946, the B-52 design evolved from a straight wing aircraft powered by six turboprop engines to the final prototype YB-52 with eight turbojet engines and swept wings.