Announced United States Nuclear Tests -- By Event: 5 sos: Event Name Date (GCT). Location... |... Type. -- Purpose... {0sYield.Range..... es One Nash Accidental release of radioactivity detectedoff site 01/19/67 NTS Shaft WeaponsRelated 20 to 200 kt Navajo 07/10/56 Bikini Barge Weapons Related Nebbialo 06/24/82 NTS Shaft Weapons Related 20 to 150 kt Nectar 05/13/54 Enewetak Barge WeaponsRelated 1.69 MT Neptune Slight venting 10/14/58 NTS Tunnel Safety Experiment 115 tons Nessel 08/29/79 NTS Shaft Joint US-UK 20 to 150 kt New Point 12/13/66 NTS Shaft WeaponsEffects Less than 20 kt Newark 09/29/66 NTS Shaft WeaponsRelated Less than 20 kt Newton 09/16/57 NTS Balloon Weapons Related 12 kt Nightingale Simultaneous with Rhyolite 06/22/88 NTS Shaft Safety Experiment Less than 150 kt Niza 07/10/81 NTS Shaft WeaponsRelated Less than 20 kt Noggin 09/06/68 NTS Shaft Weapons Related 20 to 200 kt Noor 04/10/68 NTS Shaft Weapons Related 20 to 200 kt Norbo 03/08/80 NTS Shaft Weapons Related Less than 20 kt Numbat 12/12/62 NTS Shaft Weapons Related Low Nutmeg 05/21/58 Bikini Barge Weapons Related Oak 06/28/58 Enewetak Barge Weapons Related 8.9 MT Obar 04/30/75 NTS Shaft Weapons Related 20 to 200 kt Oberon No radioactive release detected 10/22/58 NTS Tower Safety Experiment Zero Radioactivity not detected off site DoD Event Accidental release of radioactivity detected on site only -87-