The Minuteman III intercontinental ballistic missile (ICBM) has been on alert since 1970, despite being initially designed for a shorter lifespan.
With the Beatles having just broken up and Richard Nixon in his first term as president, the missile system was a technological marvel of the Cold War, but it is now showing its age.
The Minuteman III—LGM-30G, in Pentagon jargon—was never meant to last this long.
Due to spiraling costs and delays in its replacement, the LGM-35A Sentinel, the Air Force is considering extending the Minuteman III's operational life until 2050, raising uncomfortable questions.
Author's summary: The Minuteman III's prolonged service raises concerns.