: Announced United‘StatesNuclear Tests~BYE Event_ ' Event Name: Traveler Date.{(GCT) oko “Location. | ~. Type __ Purpose ” YieldRange’ 95/04/66 NTS Shaft Weapons Related Less than 20 kt Trebbiano 09/04/81 NTS Shaft Weapons Related Less than 20 kt Trinity 07/16/45 Alamogordo Tower Weapons Related 21 kt Truckee Operation Dominic 06/09/62 ChristmasIsland area Airdrop Weapons Related Intermediate Tub 06/06/68 NTS Shaft Weapons Related Less than 20 kt Tulia 05/26/89 NTS Shaft Weapons Related Less than 20 kt Turt 04/24/64 NTS Shaft WeaponsRelated 20 to 200 kt Turk 03/07/55 NTS Tower Weapons Related 43 kt Turquoise 04/14/83 NTS Shaft WeaponsRelated Less than 150 kt Tweed 05/21/65 NTS Shaft WeaponsRelated Less than 20 kt Tybo 05/14/75 NTS Shaft WeaponsRelated 200 to 1000 kt Tyo 12/12/68 NTS Shaft WeaponsRelated Less than 20 kt Umber Accidental release of radioactivity detected off site 06/29/67 NTS Shaft Weapons Effects Less than 20 kt Umbrella 06/08/58 Enewetak UW Weapons Effects Uncle 11/29/51 NTS Crater WeaponsEffects 1.2 kt Union 04/25/54 Bikini Barge WeaponsRelated 6.9 MT Uranus 03/14/58 NTS Tunnel Safety Experiment Less than 1 ton Valencia Unsternmed hole 09/26/58 NTS Shaft Safety Experiment 2 tons Vaughn 03/15/85 NTS Shaft Weapons Related 20 to 150 kt First test of a nuclear weapon Accidental release of radioactivity detected onsite only No radioactive release detected Radioactivity not detected off site -101-