Intercept UFO |
Common terms and phrases
aerodynamic Aeronautical Research Council aircraft airfields airfoils airplanes Allied Alpine Redoubt already altitude American antiaircraft appeared Army atomic aviation balloons base began bombers boundary layer British Canadian Captain Ruppelt Combined Intelligence Objectives command completely construction craft declared defense device enemy engine experimental center experiments explosive fact factories feet Feuerball field final fire flight flying bombs flying discs flying objects flying saucers Foo Fighters formation fuselage German Göring Hitler industrial installations Intelligence Objectives Sub-committee investigation jet fighters later launched London Luftwaffe machines maneuver miles military Ministry of Supply missiles mysterious National National Redoubt Nazi operation photographs pilots plane possible production Professor Project Blue Book propulsion radar radio rocket Ruppelt scientific sightings Soviet speed Speer strange suction supersonic tion tunnels turbine U.S. Air Force ufologists UFOs underground unidentified flying objects United various Wehrmacht wing