How much does the F-22 engine cost?

When was the A-12 Blackbird created? Is there such thing as a Helicopter which has two rotors? Can you get arrested for not surrendering a vehicle? What was Goose's role in the plane in Top Gun? Helicopters in transformers DS autobots? Who flew the F-14 fighter jet? Information on hellcat airplane? How much does the fuel cost for a F-16 fighter jet? How to Attach Wheels to a Chicken Tractor? Why was the Jeep invented? What is Santa's vehicle called? Is the sukhoi 30 mki better than f-16? What kind of car does Cameron's father own that Ferris wants to borrow for the day? Who invented the remote control helicopter? How long does it take an SR-71 to go around the world? Which country has the largest number of fighter jets? Is there a fuel tank baffle in a 2002 expedition? What two parts does cluster bomb units consist of? What is mean z71? Should it become necessary to hand prop an airplane engine it is extremely important that a competent pilot?