I think a lot of this was in the Rolling Stone profile, but it looks like there's more here. If I were McCain, I wouldn't be bragging about my military experience!

In his most serious lapse, McCain was "clowning" around in a Skyraider over southern Spain about December 1961 and flew into electrical wires, causing a blackout, according to McCain's own account as well as those of naval officers and enlistees aboard the carrier Intrepid.

More here.