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The 1983 TOW 2 featured a larger 5.9 kg (13 lb) warhead with a 21.25 in (540 mm) extensible probe, improved resistance to jamming with a second, shorter wavelength xenon tracking beacon and optical encoders to randomly modulate the pulse frequency of both beacons and a motor that provided around 30% more thrust.
Beacon Flash – U.S.-Oman dissimilar air combat exercise going back to the 1970s. [29] Carrier Air Wing 1 flying from USS America (CV-66) carried out at least two 'Beacon Flash' exercises in the first half of 1983 (Command History 1983). Bell Tone – US Air Force air defense detachment at Don Muang Air Base from 1961 [3]
The Lockheed SR-71 "Blackbird" is a retired long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by the American aerospace company Lockheed Corporation.
Type: Rifle: Place of origin: United States: Specifications; Parent case.223 Remington: Case type: Rimless, bottleneck: Bullet diameter.172 in (4.4 mm)
.17 Hornady Magnum Rimfire, commonly known as the .17 HMR, is a rimfire rifle cartridge developed by Hornady [3] in 2002. It was developed by necking down a .22 Winchester Magnum Rimfire case to take a .17 caliber (4.5mm) projectile.
M1 Abrams Block III Tank Test Bed (M1 TTB) was a prototype built in 1983 as part of TACOM's Abrams Block III program (whose purview was to eventually create the M1A3), featuring an unmanned turret with a 44-caliber 120 mm M256 smoothbore gun, three crew members sitting side by side inside an armored capsule at the front of the hull and a suite ...
GW170817 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 17 August 2017, originating from the shell elliptical galaxy NGC 4993, about 140 million light years away.
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