Makes me think the space force has a laser..
(www.whitehouse.gov)
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There was an Airborne Laser program. It produced an aircraft designated the YAL-1A (Boeing 747 with internal oxygen-iodine laser and nose pointing turret). It shot down a boosting ballistic missile target on 11 Feb 2010. And the Obama administration canceled the program and junked the system, having dispersed the design teams. It will take a long while to revisit that subject. (I edited the winning proposal for the program.)
Most of what you are talking about has been looked at in the '80s and passed over as being impractical. (Particle beams will wander in the Earth's magnetic field. Lasers can't hit the ground through clouds or smoke. Big tungsten rods are just a way to bore deep holes in the Earth. Satellite nuclear power is cool, we used to do it, but everyone got all nasty when some came out of orbit, so we are standing in a corner facing the wall.) Other stuff...we can't discuss.
We flew nuclear reactors on one or two satellites. The Russians flew it as a matter of course to power their radar surveillance satellites, but they had a few problems with on-orbit failures and a nasty de-orbit with junk all across Canada, so the taste for that became outworn.
Most of the energy technology is known, or openly discussed.
I'd have to refresh that reference. But look, anything truly remarkable would be classified, and Q wouldn't mention it, even by implication. "Going forward in order to look back"? You have to be careful for meanings that are not apparent. I once worked on a technical project that I summarized as "trying to see the invisible through the opaque." A clever handle, and entirely technically correct, but try to guess what that was.