President John F. Kennedy's Air Force One bomber jacket sold for $570,000 at an auction on Sunday of items that belonged to a longtime aide, nearly 50 years after the president's assassination.

The jacket was among thousands of items, including letters, photographs and books, that had been tucked away in drawers and file cabinets at the home of David Powers, who died in 1998, said Dan Meader, auction appraiser at John McInnis Auctioneers.

They were discovered in recent years by relatives as they prepared Powers' Arlington, Massachusetts, residence for sale, Meader said....