The M1 Abrams was the next stage in American tank development after the M60 series. Chrysler completed the prototype in 1978 and the first production vehicles appeared in 1980 with 30 tanks a month being built in the years that followed by General Dynamics, then a division of Chrysler Motors. Its advanced Chobham armour makes the M1 the best protected US main battle tank yet devised.

Design on the KV-1 heavy tank began in 1938, with the intention that it should be the successor to the T-35 heavy tank. The first models of the KV-1 were field-tested during the Red Army's disastrous 1940 campaign in Finland.

The Hawker Siddeley Harrier GR.1/GR.3 and the AV-8A Harrier were the first generation of the Harrier series, the first operational close-support and reconnaissance attack aircraft with vertical/short takeoff and landing (V/STOL) capabilities.

The Boeing B-29 Superfortress (Boeing Model 341/345) was a four-engine heavy bomber flown by the United States Army Air Force. It was one of the largest aircraft of World War II to see active service.

The "Churchill" began life as a 1939 requirement that envisaged a return to trench-warfare, and was therefore slow and heavily armored like the Russian KV-1 series. That said, the final Churchill prototype was much lighter than had first been thought acceptable, although it still resembled a World War I tank in appearance.

Design on the KV-1 heavy tank began in 1938, with the intention that it should be the successor to the T-35 heavy tank. The first models of the KV-1 were field-tested during the Red Army's disastrous 1940 campaign in Finland.