NASA Space Shuttle Challenger Mission Patch - 4 Inch Collector Size SEW-ON Novelty Patch Mission Patch for Space Shuttle Challenger's 1986 Mission STS-51L Launch Date: January 28th, 1986 SIZE: 4 inches in diameter - Collector's Size Great Collector's Item, Gift Idea or Accessory to an Astronaut Halloween Costume You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!