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Glass chart. A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.
The M21 sniper weapon system (SWS) in the US Army is a national match grade M14 rifle, selected for accuracy, and renamed the M21 rifle. [7] The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. [8]
The Smith & Wesson K-38 Target Masterpiece Revolver (Model 14) is a six-shot, double-action revolver with adjustable open sights, built on the medium-size "K" frame. When introduced, it was intended for bullseye target shooting competition of the type then most common on the United States, which is today called NRA Precision Pistol, specifically in the "centerfire" category.
The 9×21mm pistol cartridge (also known as the 9×21mm GP, 9×21mm IMI, 9mm IMI, 9×21mm Italian, or 9mm Italian) was designed by Jager (Loano, Italy), then adopted and commercialised by Israel Military Industries for those jurisdictions where military service cartridges, like the 9×19mm Parabellum, are or were illegal for civilian purchase (i.e. Italy, France, Brazil, and Mexico).
After a contract award 24 April 2017 has completed production, the Army will hold more than 170 such systems. [5] In April 2020 the first GaN based AN/TPQ-53 was delivered to the U.S. Army [ 6 ] After Russian-backed separatists started operating tanks in Eastern Ukraine, the U.S. started sending military items to Ukraine, including 20 AN/TPQ-53 ...
Mach 3.0-4.0 at 5,000–55,000 ft (1,500–16,800 m), Mach 2.6 at 15–30 ft (5–9 m) [1] A GQM-163A Coyote flies over the bow of a U.S. Navy observation ship during a routine test. The GQM-163 Coyote is a supersonic sea-skimming missile target built by Northrop Grumman [ 2 ] (formerly Orbital ATK ) and used by the United States Navy as a ...
A second system with 5 aircraft ordered in 2019 for delivery in summer 2022. [33] [34] The DND was also the first international customer for the UAS. [35] Royal Canadian Navy – The RQ-21 Blackjack UAV contract was extended to include the installation of UAV launch, recovery and control capability on all Halifax-class patrol frigates. [36 ...
There have been a number of 21-inch torpedoes in service with the United States. These have been used on ships and submarines of the U.S. Navy . American 21-inch torpedoes are 533 millimeters (21 in) in diameter.