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X-15-2 (later X-15A-2) ... and it was permanently canceled on 20 December 1968. This X-15 (56-6670) was detached from the B-52 and then put into indefinite storage ...
The Boeing X-20 Dyna-Soar ("Dynamic Soarer") was a United States Air Force (USAF) program to develop a spaceplane that could be used for a variety of military missions, including aerial reconnaissance, bombing, space rescue, satellite maintenance, and as a space interceptor to sabotage enemy satellites. [1]
[20] X-11: Convair USAF 1953 Proposed SM-65 Atlas missile testbed. [21] X-12: Convair USAF 1953 Proposed SM-65 Atlas missile testbed. [22] X-13 Vertijet: Ryan: USAF, USN 1955 Vertical takeoff and landing (VTOL) tailsitting VTOL flight. [23] X-14: Bell USAF, NASA 1957 VTOL Vectored thrust configuration for VTOL flight. [24] X-15: North American ...
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The X-15 engine burned about 85 seconds. Near the end of the burn, acceleration built up to about 4g (39 m/s²). Weightlessness lasted for 3 to 5 minutes. Re-entry heating warmed the exterior of the X-15 to 650 °C in places. During pull up after re-entry, the acceleration built up to 5g (49 m/s²) for 20 seconds. The entire flight lasted about ...
Keeping the pixel density of previous models, the iPhone X and 11 Pro introduced a 2436 × 1125 resolution for 15 cm or 5.8 inch screens, while the iPhone XS Max and 11 Pro Max introduced a 2688 × 1242 resolution for 17 cm or 6.5 inch screens (with a notch) all at an aspect ratio of roughly 13∶6 or, for marketing, 19.5∶9.
The .20 Tactical / 5.2x45mm is a wildcat centerfire rifle cartridge, based on the .223 Remington case, necked down to fire a 5.2 millimetres (0.204 in) caliber bullet. The .20 Tactical was designed by Todd Kindler and predates the .204 Ruger factory round. The case has approximately 0.2 grams (3 gr) less powder capacity than the popular .204 Ruger.
The fixed rate for a 15-year mortgage is 6.09%, down 4 basis points from last week's average 6.05%. These figures are higher than a year ago, when rates averaged 6.77% for a 30-year term and 6.12% ...