Project Slam Dunk.
President Johnson 1968 June 1-3 Cannon Airforce base New Mexico (https://militarybases.com/new-mexico/cannon/)
2 large hangers connected. 100s dump truck brought in sand, and put powder cement over the sand to make it look like lunar landscape.
He swore to secrecy to the NSA and would be put in jail if broke the oath.
I like it how people get all mean if you dare say this is questionable that THEY DIDNT LAND ON THE DAY THEY SAID.... Like we all should be good puppets and believe them!!