The giant half-dome shelters are an essential part of the bomber fleet as the B-2 requires a controlled environment for repairs on the aircraft's delicate skin that allows it to fly undetected by radar.
An hour and a half later the group reaches "the dome, " a 60-foot-high semicylinder of rock, one half of the face a deep blue manganese, the other bridal-white calcite.
Or picture a tight left turn on Yosemite's Glacier Point Road where in the east iconic Half Dome suddenly appears against a backdrop of the snow-capped High Sierra.