environmentals sensor
1B-2 Spirit — Infobox Aircraft name = B 2 Spirit type = Stealth bomber national origin = United States manufacturer = Northrop Corporation Northrop Grumman caption = A USAF B 2 Spirit in flight. first flight = 17 July 1989 introduction = April 1997 primary… …
2Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …
