aeronautics bureau
71Stolen and missing moon rocks — Of the 270 Apollo 11 Moon Rocks and Apollo 17 Goodwill Moon Rocks that were given to the nations of the world by the Nixon Administration approximately 180 are currently unaccounted for. Many of the moon rocks that are accounted for have been… …
72El Niño-Southern Oscillation — El Niño redirects here. For other uses, see El Niño (disambiguation). ENSO redirects here. For other uses, see Enso (disambiguation). The 1997 El Niño observed by TOPEX/Poseidon. The white areas off the tropical coasts of South and North America… …
73Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …
74National Transportation Safety Board — National Transportation Safety Board Official seal and emblem Agency overview Formed April 1, 1967 Preceding agency Civil Aeronautics Board …
75Norden bombsight — The Norden bombsight at the Computer History Museum in Mountain View, California. This example does not have the associated autopilot attached …
76Joy Bright Hancock — Infobox Military Person name = Joy Bright Hancock born = birth date|1898|5|4 died = death date and age|1986|8|20|1898|5|4 placeofbirth = Wildwood, New Jersey placeofdeath = Bethesda, Maryland caption = Captain Joy Bright Hancock, USN; portrait by …
77Dauntless — Douglas SBD Dauntless …
78Douglas A-24 — Douglas SBD Dauntless …
79Douglas SBD Dauntless — Douglas SBD Dauntless …
80SBD Dauntless — Douglas SBD Dauntless …
