Conceived in the 1950s, Blackbirds remain the fastest and highest flying air-breathing production aircraft ever built. In 1959, Lockheed’s chief engineer Kelly Johnson and his team submitted …

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 …

2024年9月23日 · The Web Automated Reference Manual System (WARMS) includes manuals, directives, and handbooks. The publications provide information about the Department of …

2020年3月31日 · The M21 is a classic sniper rifle built during, and for, the Vietnam war where it served with great distinction. We provide a history of the XM21 and M21 system here.

The BM-21 Grad is a Soviet truck-mounted 122 mm multiple rocket launcher. The weapons system and the M-21OF rocket that it fires evolved in the early 1960s and saw their first...

2019年9月12日 · Not only was a relatively unknown US Army Staff Sergeant the highest scoring sniper in Vietnam, but he did it with a semi-automatic M21. Credited with 109 kills Staff …

2021年9月10日 · A Lockheed M-21 Blackbird variant with its D-21 drone mounted on the spine. The aircraft is the latest subject of Randy Malmstrom's Warbird Profile series. (image via …

22 December 1964: At Groom Lake, Nevada, a Lockheed M-21, a special two-place variant of the Central Intelligence Agency’s A-12 Oxcart Mach 3 reconnaissance aircraft, took off for the first …

The M-21 is a variant of the A-12, the earliest Blackbird type. Built for a CIA program code-named “Tagboard,” the M-21 carried unpiloted drones for intelligence gathering.

Samsung Galaxy M21 Android smartphone. Announced Mar 2020. Features 6.4″ display, Exynos 9611 chipset, 6000 mAh battery, 128 GB storage, 6 GB RAM, Corning Gorilla Glass 3.