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.

CNN: 509th Bomb Wing

And, as well as all the environmental benefits of eliminating paint, the film-coating has the added advantage that it can save fuel by reducing the friction between the aircraft's skin and the air.

ECONOMIST: It’s a wrap | The