In praise of the cheap and cheerful.

Douglas A-4 Skyhawk Imagine a military combat aircraft that first flew in 1954 and is still flying today. No, it's not the B-52 . This aircraft has played major roles in the air over Vietnam, the Falklands, and the Yom Kippur War. It replaced the F-4 Phantom as the jet of choice for the USN's Blue Angels demonstration team. This aircraft even played a supporting role in Top Gun . Now... What if I told you that the first 500 examples of this aircraft cost $7.5 million each, adjusted for inflation? The Douglas (soon to be McDonnell Douglas, then Boeing) A-4 Skyhawk was designed from the outset to be a small, light, simple, inexpensive attack aircraft that could be operated from the USN's aircraft carrier fleet. It's chief designer, Ed Heinemann , really knocked it out of the park. The A-4 weighed about half of the USN's desired specs. Unlike most carrier based aircraft, the A-4 doesn't need folding wings. The Skyhawk earn...