What are we testing here: 38°19'21.94" N 116°16'37.14" W

Hidden buildings: 37°23'17.39" N 116°12'30.27" W
by an air field; 37°24'16.20" N 116°14'13.80" W


Train: 37°25'12.14" N 116°51'56.25" W next to I don't know what; 37°25'38.09" N 116°51'22.36" W surrounded by holes??? 37°26'29.77" N 116°50'45.12" W


What's this: 37°45'07.41" N 116°38'58.78" W

I have a few more questions ....