The cost of an airplane the U.S. average of 737 million U.S. dollars in 1997 U.S. dollars. The total cost of purchasing U.S. average of 929 million U.S. dollars per aircraft, including spare parts, equipment, and software upgrade support. The total cost of the program, which the development, engineering and testing, the average U.S. 2.1 billion U.S. dollars per aircraft (in 1997 U.S. dollars) includes.
Twenty B-2s operated by the United States Air Force. Although originally designed in the 1980s for Cold War operations scenarios, B-2’s were first used in the battle for bombs on Serbia during the Kosovo war in 1999 and saw continued use during the ongoing wars in Iraq and Afghanistan . One plane was lost when it crashed on takeoff in 2008.