~...°': Announced United States Nuclear Tests -: ByDate.” os Operation Niblick - Continued we Oconto 01/23/64 NTS Shaft WeaponsRelated Less than 20 kt Klickitat Device development 02/20/64 NTS Shaft Plowshare 20 to 200 kt Pike 03/13/64 NTS Shaft WeaponsRelated Less than 20 kt Hook Accidental release of radioactivity detected on site only 04/14/64 NTS Shaft Weapons Related Less than 20 kt Sturgeon 04/15/64 NTS Shaft WeaponsRelated Less than 20 kt Turf 04/24/64 NTS Shaft WeaponsRelated 20 to 200 kt Pipefish Accidental release of radioactivity detected onsite only 04/29/64 NTS Shaft WeaponsRelated Less than 20 kt Backswing 05/14/64 NTS Shaft Weapons Related Less than 20 kt Minnow 05/15/64 NTS Shaft Weapons Related Less than 20 kt Ace Device development Accidental release of radioactivity detected on site only 06/11/64 NTS Shaft Piowshare Less than 20 kt Fade 06/25/64 NTS Shaft WeaponsRelated Less than 20 kt 06/30/64 NTS Shaft Plowshare Less than 20 kt Operational release of radioactivity detected off site Accidental release of radioactivity detected off site Accidental release of radioactivity detected onsite only Accidental release of radioactivity detected onsite only Dub Device development Accidental release of radioactivity detected onsite only -25-