A U.S. Navy helmet worn by John Glenn during a record-breaking supersonic flight will be auctioned in Los Angeles next week. Glenn, who went on to become one of America’s most famous astronauts ...

The US Navy helmet he wore on the flight will be auctioned by Nate D. Sanders Auctions on Thursday. It’s gold with “J.H. Glenn” penned on the right side. Bidding will begin at $100,000.