The Whirlwind was a heavily-armed, single-seat, twin-engine fighter designed for high performance, with great attention paid ...

Heckler & Koch (H&K) debuted its new lightweight 7.62×51 mm chambered machine gun at DSEI 2023 in London. The new weapon has the HK421 designation and is derived from the company's MG5 series of 7.62 ...