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War Jets: The North American XB-70 Valkyrie DVD MP4 Download USB Drive

War Jets: The North American XB-70 Valkyrie DVD MP4 Download USB Drive
War Jets: The North American XB-70 Valkyrie DVD MP4 Download USB Drive
Item# war-jets-the-north-american-xb70-valkyrie-d70
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The North American XB-70 Valkyrie Nuclear Bomber Aircraft As Seen Through Stunning Color Archival Films From The Factory, Out In The Field And Up In The Wartime Skies! 2 Hours Of Historical Aviation Adventure Presented In The Highest DVD Quality MPG Video Format Of 9.1 MBPS As An Archival Quality All Regions Format DVD, MP4 Video Download Or USB Flash Drive! #NorthAmericanXB70Valkyrie #XB70Valkyrie #XB70 #Valkyrie #WarJets #PropsAndJets #GreatPlanes #StrategicBombers #StrategicAirCommand #SAC #SACHistory #USAF #USAFHistory #Palmdale #California #Aviation #AviationHistory #HistoryOfAviation #MilitaryAviation #MilitaryAviationHistory #HistoryOfMilitaryAviation #DVD #VideoDownload #MP4 #USBFlashDrive

* 11/27/19: Updated And Upgraded: Updated With All Video And Audio Newly Redigitized In High Quality 9 Mbps DVD Video For Improved Image And Audio Quality, And Upgraded From A Standard Format DVD To An Archival Quality Dual Layer Format DVD!

Contents:

THE XB-70 VALKYRIE (Color, 1986, 45 Minutes.)
Archival color film chronicling the history of the North American XB-70 from its inception as a high speed deep penetration strategic bomber carrying a nuclear payload through its design through its early testing and manufacture for its employment by the Strategic Air Command until it was adapted instead as a research vehicle (Australian version).

THE XB-70 VALKYRIE (Color, 1987, 46 Minutes.)
American English version of the above.


The North American Aviation XB-70 Valkyrie was the prototype version of the planned B-70 nuclear-armed, deep-penetration strategic bomber for the United States Air Force Strategic Air Command. Designed in the late 1950s by North American Aviation (NAA), the six-engined Valkyrie was capable of cruising for thousands of miles at Mach 3+ while flying at 70,000 feet (21,000 m). At these speeds, it was expected that the B-70 would be practically immune to interceptor aircraft, the only effective weapon against bomber aircraft at the time. The bomber would spend only a brief time over a particular radar station, flying out of its range before the controllers could position their fighters in a suitable location for an interception. High speed also made the aircraft difficult to see on radar displays and its high-altitude and high-speed capacity could not be matched by any contemporaneous Soviet interceptor or fighter aircraft. The introduction of the first Soviet surface-to-air missiles in the late 1950s put the near-invulnerability of the B-70 in doubt. In response, the United States Air Force (USAF) began flying its missions at low level, where the missile radar's line of sight was limited by terrain. In this low-level penetration role, the B-70 offered little additional performance over the B-52 it was meant to replace, while being far more expensive with shorter range. Other alternate missions were proposed, but these were of limited scope. With the advent of intercontinental ballistic missiles (ICBMs) during the late 1950s, manned bombers were increasingly seen as obsolete. The USAF eventually gave up fighting for its production and the B-70 program was canceled in 1961. Development was then turned over to a research program to study the effects of long-duration high-speed flight. As such, two prototype aircraft, designated XB-70A, were built; these aircraft were used for supersonic test-flights during 1964-69. In 1966, one prototype crashed after colliding with a smaller aircraft while flying in close formation; the remaining Valkyrie bomber is in the National Museum of the United States Air Force near Dayton, Ohio.