[NoMoreNicksLeft]

Aren't they just waiting for the active camouflaging technology to catch up? Normally, we think about that as something on the underside of the aircraft so that it appears invisible from the ground... but the same principle could apply to the top side of the aircraft if it ever becomes viable.

[NitpickLawyer]

That would only be relevant to commercial-based optical spectrum providers. Gov mils have SAR (Synthetic-aperture radar) capabilities that would render that moot.

[15155]

Can SAR penetrate steel hangar roofs now?