nostr:npub1e04udcmm2kdsvnhpnjc4waz76mg3hjn3e98y7cz8g2sdwh3dd7cs242y0j Regular civilians work a little creativity can use mirrors placed on the moon along with relatively inexpensive lasers to measure distance and angle. https://en.m.wikipedia.org/wiki/List_of_retroreflectors_on_the_Moon

Yes, we've been to the moon. Our stuff is on it. Being used on a regular basis.