The BM-21 launch vehicle (Grad) is a Soviet truck-mounted 122 mm multiple rocket launcher, and a M-21OF rocket were developed in the early 1960s. BM stands for boyevaya mashina, combat vehicle, and the nickname grad means hail.

It was fast, heavily armed and extremely versatile. And many believe the Lockheed P-38 Lightning  to be the finest American fighter of WWII. Its low-drag, aerodynamic shape and heavy weight enabled this twin-engine, twin-boomed aircraft to accelerate to high speeds faster than any previous warplane, making it a potent fighter and a superb fighter-bomber.

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Built for speed and armed with ultra long-range weapons. It's no wonder that the F-14 Tomcat is the main defender of the US fleet. The Tomcat's AWG-9 radar has the ability to engage as many as six targets at once, which is the same number of targets that can be engaged by three F-18 Hornets. Additionally, it's Phoenix air-to-air missiles can kill hostile bombers 90 miles away -- before they can launch their attacks.

The Sukhoi PAK FA (Russian: Perspektivny Aviatsionny Kompleks Frontovoy Aviatsii, literally "Prospective Airborne Complex of Frontline Aviation") is a twin-engine jet fighter being developed by Sukhoi for the Russian Air Force. The Sukhoi T-50 is the prototype for PAK FA. The PAK FA is one of only a handful of stealth jet programs worldwide.

The four-nation Eurofighter Typhoon is a foreplane delta-wing, beyond-visual-range, close air fighter aircraft with surface attack capability. Eurofighter has 'supercruise' capability: it can fly at sustained speeds of over Mach 1 without the use of afterburner.

The Third Battle of Kharkov was the last major strategic German victory of World War II. Kharkov had originally been captured on October 25th, 1941, but had fallen to the Soviets in February 1943, following the German defeat at the Battle of Stalingrad.