| Year | Country | Fissile Core Present? | Status | Location | % Correct |
|---|---|---|---|---|---|
| 1950 | United States | No | Never Found | British Columbia | 100%
|
| 1950 | United States | No | Exploded (Non Nuclear), Nuclear Components Recovered | Albuquerque, New Mexico | 100%
|
| 1950 | United States | No | Exploded (Non Nuclear) | Lebanon, Ohio | 100%
|
| 1950 | United States | No | Exploded (Non Nuclear) | Fairfield, California | 100%
|
| 1950 | United States | No | Jettisoned, Exploded (Non Nuclear), Covered Up Until 1980s | Québec, Canada | 100%
|
| 1956 | United States | Unknown | "Nuclear Bomb Materials", Plane Disappeared, Never Found | Mediterranean Sea | 100%
|
| 1957 | United States | No | Accidentally Dropped, Exploded (Non Nuclear) | Albuquerque, New Mexico | 100%
|
| 1957 | United States | No | Two Jettisoned, Never Found | Atlantic Ocean | 100%
|
| 1958 | United States | No | Jettisoned, Never Found | Savannah, Georgia | 100%
|
| 1958 | United States | Yes | Emergency Release Lever Accidentally Pushed, Exploded (Non Nuclear), Destroyed Home and Injured People | Mars Bluff, South Carolina | 100%
|
| 1958 | United States | No | Exploded (Non Nuclear) | Abilene, Texas | 100%
|
| 1958 | United States | No | Exploded (Non Nuclear) | Lake Charles, Louisiana | 100%
|
| 1961 | United States | Yes | Two Dropped, One Nearly Detonated (Nuclear), Other Destroyed While Armed, Still At The Site | Goldsboro, North Carolina | 100%
|
| 1961 | United States | Yes | Two Thermonuclear Dropped, Both Not Armed, Heavily Damaged and Recovered. Both Fissile Cores Broke Off | Yuba City, California | 100%
|
| 1964 | United States | Yes | Two Thermonuclear Dropped, Broke Apart, Recovered | Savage Mountain, Maryland | 100%
|
| 1965 | United States | Yes | Live Thermonuclear Bomb in Jet Fell Off Aircraft Carrier, Never Found | 100km from Kikai Island, Japan or 130km from the Ryukyu Islands | 100%
|
| 1966 | United States | Yes | Four Thermonuclear Bombs Dropped, Two Exploded (Non Nuclear) On Land, One Recovered On Land, One Recovered In Sea | Near Spain, Mediterranean Sea | 100%
|
| 1968 | United States | Yes | Four Thermonuclear Bombs, All Exploded (Non Nuclear), Nuclear Payload Scattered | Wolstenholme Bay, Greenland | 100%
|
| 1968 | United States | Yes | Two Nuclear Warheads Lost On Submarine, Still On The Sea Floor | 750km Southwest of the Azores, Portugal | 100%
|
| 1968 | Soviet Union | Yes | Two Nuclear Missiles Lost On Submarine, May Have Been Recovered By CIA | 40°6'N 179°57'E, Pacific Ocean | 82%
|
| 1970 | Soviet Union | Yes | Four Nuclear Torpedoes On Submarine Sank, Still On Sea Floor | 490km Northwest of Spain | 82%
|
| 1977 | Soviet Union | Yes | One Nuclear Torpedo Lost, Recovered | Kamchatka, Russia | 82%
|
| 1986 | Soviet Union | Yes | 16 Torpedoes Lost, Never Recovered | Hatteras Abyssal Plain, Atlantic Ocean | 82%
|