What year was Top Gun made?

How much does a tank oil weight? What kind of vehicle is the Sierra 4x4? What country did terrain change dramatlicly? How many planes flew in each atomic bombing mission over Japan and what were their types and roles in the mission? How many main categories of cargo trucks exist in the army? What is the rate of climb of the f-22 raptor? What is the best single engine prop plane? When was the first jeep invented? Did helicopters come before airplanes? What are some raf fighter aircraft called? Can a surface to air missile lock on and destroy a tank? Which type of missile container has yellow squares on various places f the container? What does MOAPS stand for? Did Concorde have 4 engines? What are the different parts of the helicopter? What is the Sr-71 length during flight? What is the legal age to drive a 4by4 jeep? Which country has the strongest tanks? Should the SR-71 Blackbird be brought back into service? What airplane has three propeller driven engines on the front of each wing?