The Saratoga is part of the U.S. Atlantic fleet and participated in operation Desert Storm in 1990/91. Launched in 1956, this aircraft carrier is continuously up-dated, especially its radar and electronic systems.
Introduced to the RNLI in 1995, the all-weather Severn Class Lifeboat is the largest in their fleet. It has a range of 250 nautical miles and a top speed of 25 knots. It carries a powered Y boat that can be launched and recovered by a lightweight crane to enable rescues close to shore. It propellers are protected so it can take ground without damage.
Among the best tanks in terms of both reliability and sheer production capability, M4 Sherman series of tanks became the staple fighting-vehicles of the WWII Allies. The 1st version to be produced, was succeeded by the welded-hull M4, the diesel engine M4A2, and finally the representative tank of the series, the M4A3.
In the middle of WWII, Allied tank developed showed some improvements and featured greater weapons and armor protection. Under these facts, the German army increasingly depended on turretless tank destroyers armed with a powerful gun on a limited-traverse mount.
The latest upgrade to the Leopard 2 is a newly developed 55 caliber 120mm smoothbore main gun. The 2 A6 includes improvements made to his predecessors, like a wedge shaped spaced armor effective against chemical weapons and improved electric gun control and stabilization system.