Everything having to do with space aliens and advanced technology is at the highest level of compartmentalized secrecy, so every different compartment within the federal beast, had to reinvent every component from scratch, because there is no interagency communication.
https://rumble.com/v6x84lo-dr.-gregory-rogers-nasa-chief-flight-surgeon-and-air-force-major.html?e9s=src_v1_cbl%2Csrc_v1_ucp_a