domingo, 14 de septiembre de 2014

25TH ANNIVERSARY OF NORTHROP GRUMMAN B-2 SPIRIT



When the Northrop B-2 Spirit was rolled out of its hangar and first shown to the world on November 22, 1988 expressions such as “futuristic” and “otherworldly” were used to describe it. These were coincidentally the same terms used to describe Northrop’s revolutionary YB-49 flying wing bomber of 1947.

The B-2 Spirit “stealth” aircraft is a strategic long range heavy bomber whose all altitude, low observable stealth technology gives it the capability to penetrate the world’s most sophisticated air defences. Conceived during the Cold War, the B-2 was designed to slip though enemy radar defences without being detected and then drop up to 16 B83 nuclear bombs on key targets. Its first flight was July 17, 1989.

The B-2’s low visibility is derived from a combination of reduced infrared, acoustic, electromagnetic, visual and radar signatures. These signatures make it difficult for even the most sophisticated