Cross-posting a lesswrong comment where I argue (in response to another commenter) that not only did NASA’s work on rocketry probably benefitted military missile/ICBM technology, but their work on satellites/spacecraft also likely contributed to military capabilities:
Satellites were also plausibly a very important military technology. Since the 1960s, some applications have panned out, while others haven’t. Some of the things that have worked out:
GPS satellites were designed by the air force in the 1980s for guiding precision weapons like JDAMs, and only later incidentally became integral to the world economy. They still do a great job guiding JDAMs, powering the style of “precision warfare” that has given the USA a decisive military advantage since 1991′s first Iraq war.
Spy satellites were very important for gathering information on enemy superpowers, tracking army movements and etc. They were especially good for helping both nations feel more confident that their counterpart was complying with arms agreements about the number of missile silos, etc. The Cuban Missile Crisis was kicked off by U-2 spy-plane flights photographing partially-assembled missiles in Cuba. For a while, planes and satellites were both in contention as the most useful spy-photography tool, but eventually even the U-2′s successor, the incredible SR-71 blackbird, lost out to the greater utility of spy satellites.
Systems for instantly detecting the characteristic gamma-ray flashes of nuclear detonations that go off anywhere in the world (I think such systems are included on GPS satellites), and giving early warning by tracking ballistic missile launches during their boost phase (the Soviet version of this system famously misfired and almost caused a nuclear war in 1983, which was fortunately forestalled by one Lieutenant colonel Stanislav Petrov).
Some of the stuff that hasn’t:
The air force initially had dreams of sending soldiers into orbit, maybe even operating a military base on the moon, but could never figure out a good use for this. The Soviets even test-fired a machine-gun built into one of their Salyut space stations: “Due to the potential shaking of the station, in-orbit tests of the weapon with cosmonauts in the station were ruled out.The gun was fixed to the station in such a way that the only way to aim would have been to change the orientation of the entire station. Following the last crewed mission to the station, the gun was commanded by the ground to be fired; some sources say it was fired to depletion”.
Despite some effort in the 1980s, were were unable to figure out how to make “Star Wars” missile defence systems work anywhere near well enough to defend us against a full-scale nuclear attack.
Fortunately we’ve never found out if in-orbit nuclear weapons, including fractional orbit bombardment weapons, are any use, because they were banned by the Outer Space Treaty. But nowadays maybe Russia is developing a modern space-based nuclear weapon as a tool to destroy satellites in low-earth orbit.
Overall, lots of NASA activities that developed satellite / spacecraft technology seem like they had a dual-use effect advancing various military capabilities. So it wasn’t just the missiles. Of course, in retrospect, the entire human-spaceflight component of the Apollo program (spacesuits, life support systems, etc) turned out to be pretty useless from a military perspective. But even that wouldn’t have been clear at the time!
Cross-posting a lesswrong comment where I argue (in response to another commenter) that not only did NASA’s work on rocketry probably benefitted military missile/ICBM technology, but their work on satellites/spacecraft also likely contributed to military capabilities:
Satellites were also plausibly a very important military technology. Since the 1960s, some applications have panned out, while others haven’t. Some of the things that have worked out:
GPS satellites were designed by the air force in the 1980s for guiding precision weapons like JDAMs, and only later incidentally became integral to the world economy. They still do a great job guiding JDAMs, powering the style of “precision warfare” that has given the USA a decisive military advantage since 1991′s first Iraq war.
Spy satellites were very important for gathering information on enemy superpowers, tracking army movements and etc. They were especially good for helping both nations feel more confident that their counterpart was complying with arms agreements about the number of missile silos, etc. The Cuban Missile Crisis was kicked off by U-2 spy-plane flights photographing partially-assembled missiles in Cuba. For a while, planes and satellites were both in contention as the most useful spy-photography tool, but eventually even the U-2′s successor, the incredible SR-71 blackbird, lost out to the greater utility of spy satellites.
Systems for instantly detecting the characteristic gamma-ray flashes of nuclear detonations that go off anywhere in the world (I think such systems are included on GPS satellites), and giving early warning by tracking ballistic missile launches during their boost phase (the Soviet version of this system famously misfired and almost caused a nuclear war in 1983, which was fortunately forestalled by one Lieutenant colonel Stanislav Petrov).
Some of the stuff that hasn’t:
The air force initially had dreams of sending soldiers into orbit, maybe even operating a military base on the moon, but could never figure out a good use for this. The Soviets even test-fired a machine-gun built into one of their Salyut space stations: “Due to the potential shaking of the station, in-orbit tests of the weapon with cosmonauts in the station were ruled out.The gun was fixed to the station in such a way that the only way to aim would have been to change the orientation of the entire station. Following the last crewed mission to the station, the gun was commanded by the ground to be fired; some sources say it was fired to depletion”.
Despite some effort in the 1980s, were were unable to figure out how to make “Star Wars” missile defence systems work anywhere near well enough to defend us against a full-scale nuclear attack.
Fortunately we’ve never found out if in-orbit nuclear weapons, including fractional orbit bombardment weapons, are any use, because they were banned by the Outer Space Treaty. But nowadays maybe Russia is developing a modern space-based nuclear weapon as a tool to destroy satellites in low-earth orbit.
Overall, lots of NASA activities that developed satellite / spacecraft technology seem like they had a dual-use effect advancing various military capabilities. So it wasn’t just the missiles. Of course, in retrospect, the entire human-spaceflight component of the Apollo program (spacesuits, life support systems, etc) turned out to be pretty useless from a military perspective. But even that wouldn’t have been clear at the time!