Ds. 3600 – Sukhoi Su-7
A Soviet supersonic jet fighter that was used by the Soviet Air Force (VVS) and several allied air forces during the Cold War.
Ds. 3700 – Sukhoi Su-9
A Soviet supersonic interceptor aircraft that was used by the Soviet Air Force (VVS) during the Cold War. It was designed to intercept enemy bombers.
Dr. 3700 – Leopard 1
A German main battle tank that was introduced in 1965. It was known for its speed and maneuverability, and featured a powerful 105mm gun.
Dr. 3800 – M60 Patton
An American main battle tank that was introduced in 1960. It featured a powerful 105mm gun and a new suspension system, and became the mainstay of American armored forces for many years.
Dr. 3900 – T-62
A Soviet main battle tank that was introduced in 1961. It featured a powerful 115mm gun and a new composite armor design, and became a significant upgrade over the T-55.
Dr. 4000 – AMX-30
A French main battle tank that was introduced in 1966. It featured a powerful 105mm gun and a new suspension system, and became a popular export tank.
Dr. 4100 – Challenger 1
A British main battle tank that was introduced in 1983. It featured a powerful 120mm gun, advanced armor protection, and a sophisticated fire control system.
Dr. 4200 – Leopard 2
A German main battle tank that was introduced in 1979. It featured a powerful 120mm gun, advanced armor protection, and a sophisticated fire control system, and became one of the most advanced tanks in the world.
Dr. 4300 – M1 Abrams
An American main battle tank that was introduced in 1980. It featured a powerful 120mm gun, a turbine engine, and advanced armor protection, and became the mainstay of American armored forces.
Dr. 4400 – T-72
A Soviet main battle tank that was introduced in 1973. It featured a powerful 125mm gun, a new composite armor design, and a more powerful engine, and became the mainstay of Soviet armored forces for many years.