Here is a
chronological overview of the most serious nuclear near-misses after 1945, where nuclear weapons were seriously considered, prepared for use, or almost launched. I’ll focus on the
major historically recognized crises rather than minor alerts.
1. The Berlin Blockade Crisis (1948–1949)
Entities: Berlin Blockade
- The Soviet Union blockaded West Berlin to force the Western Allies out.
- The United States secretly deployed nuclear-capable B-29 bombers to the UK.
- At the time the U.S. had very few atomic bombs, but their deployment signaled readiness.
- The crisis ended with the Berlin Airlift rather than escalation.
Why it mattered:
This was the
first nuclear signaling crisis of the Cold War.
2. The Korean War Escalation Debate (1950–1953)
Entities: Korean War | Douglas MacArthur | Harry S. Truman
- General MacArthur proposed using 30–50 atomic bombs against China and North Korea.
- Targets included Chinese supply bases and a radioactive “belt” across Korea.
- President Truman rejected the proposal and later removed MacArthur from command.
Why it mattered:
This was the
closest the U.S. came to deliberately using nuclear weapons in war after 1945.
3. Taiwan Strait Crisis (1954–1955)
Entities: First Taiwan Strait Crisis | Dwight D. Eisenhower
- China shelled islands controlled by Taiwan.
- The U.S. openly discussed using nuclear weapons against Chinese military targets.
- Eisenhower administration officials indicated nukes were considered “like any other weapon.”
Why it mattered:
Nuclear use was
seriously integrated into war planning, not just deterrence.
4. The Second Taiwan Strait Crisis (1958)
Entities: Second Taiwan Strait Crisis
- China again bombarded Quemoy and Matsu islands.
- The U.S. prepared nuclear strikes against mainland China if an invasion occurred.
- Nuclear-armed aircraft were moved into the region.
5. The Berlin Crisis (1961)
Entities: Berlin Crisis of 1961 | Construction of the Berlin Wall
- Massive confrontation between U.S. and Soviet tanks at Checkpoint Charlie.
- Both NATO and the Warsaw Pact raised nuclear readiness.
- Strategic nuclear forces were placed on heightened alert.
The Most Dangerous Moment
6. The Cuban Missile Crisis (1962)
Entities: Cuban Missile Crisis | John F. Kennedy | Nikita Khrushchev
Often considered
the closest humanity has come to nuclear war.
Key events:
- The Soviet Union secretly deployed nuclear missiles to Cuba.
- The U.S. imposed a naval blockade.
- Nuclear forces on both sides went to DEFCON 2, one step from war.
Three separate near-launch incidents occurred:
- Soviet submarine B-59almost launched a nuclear torpedo after being depth-charged by U.S. ships.
- Launch required three officers’ agreement.
- Vasily Arkhipov refused, preventing launch.
- U.S. Strategic Air Command bombers were fully armed and airborne.
- A U.S. U-2 was accidentally shot down over Cuba.
The Dangerous Computer and False Alarm Era
7. NORAD False Alarm (1960)
Entities: North American Aerospace Defense Command
- Radar mistakenly showed a massive Soviet missile attack.
- The cause turned out to be the moon rising over Norway.
8. The 1979 NORAD Computer Error
Entities: NORAD
- A training simulation tape accidentally entered the real warning system.
- It showed thousands of Soviet missiles inbound.
- U.S. nuclear forces scrambled before the mistake was discovered.
9. The Petrov Incident (1983)
Entities: Stanislav Petrov
One of the most famous near disasters.
- Soviet satellite warning systems detected five incoming U.S. ICBMs.
- Petrov judged the signal likely false.
- He refused to report it as a real attack, which would have triggered retaliation.
It turned out to be
sunlight reflecting off clouds.
10. Able Archer Crisis (1983)
Entities: Able Archer 83 NATO exercise | NATO
- NATO conducted a command-post exercise simulating nuclear war.
- The Soviet Union believed it might be cover for a real first strike.
- Soviet nuclear forces were quietly put on high alert.
Historians now think this was one of the closest calls of the Cold War.
11. Norwegian Rocket Incident (1995)
Entities: Norwegian rocket incident | Boris Yeltsin
- Russia detected a scientific rocket launched from Norway.
- Radar briefly interpreted it as a U.S. submarine-launched missile.
- Russia activated its nuclear briefcase for the first time ever.
After several minutes they realized it was harmless.
Other Modern Near-Miss Risks
While less acute than Cold War crises:
- Kargil War (1999) between India and Pakistan
- India–Pakistan standoff 2001–2002
- North Korean nuclear crisis (various years)
These involved
nuclear-armed states in direct military confrontation.
Summary of the Most Dangerous Moments
Historians usually rank these as the
closest calls:
- Cuban Missile Crisis (1962)
- Able Archer 83 (1983)
- Petrov Incident (1983)
- Norwegian Rocket Incident (1995)
In several cases,
one individual decision prevented nuclear war.
