Uh, some of these include, uh, the Edwards 412 test wing, uh, NAWC, China Lake, PAX river,
under Fort Huachuca, under Patuxent River, or at Patuxent River, under China Lake.
MITRE Same with the U.S. Navy SEABEs have all such a large number of sites that they wanted to build enormous caverns in. Of course, Inyo County that holds NAWC China Lake just north of Edwards is one of those. And even Area 51 was built, probably the underground section is built in a huge boron mine that existed right before Area 51 was officially built.
Then how China lake has MRTFBs, but then how China lake is actually a deep underground