What do you even want to know?
It was posited that there were strategic assets in the '80s that were capable of shooting down nuclear missiles, and that the Soviets (insofar as at least the Russians) were in on it.
Half of that is technically public knowledge these days.
There are literally hundreds of these plans out there. War Plan White is still a thing, although it goes by different names these days.
>also what was the project with the giant cannon that shot computers into space to collect data for the space program.
High Altitude Research Project, aka Project HARP. Gerald Bull's only successful, publicly admitted super-gun.