In the last year or so, I have been steadily building a collection of classic US Navy aircraft. The latest addition is the A-3B Skywarrior, a twin-engined carrier-based jet bomber. Back in the late forties nuclear weapons were large and heavy. According to the US Navy, a jet built to deliver one over a meaningful distance would have to weigh about 45 tons and be the size of a small airliner. Given that they wanted to operate their nuclear bombers from aircraft carriers, where space is at a premium, this posed an obvious problem. To add insult to injury, the first of a new generation of super-large aircraft carriers intended to operate these bombers was cancelled within a week after its keel had been laid. So, when the brilliant designer Ed Heinemann, also known for the A-1 Skyraider, proposed that Douglas Aviation build a bomber of about 30 tons that could...

