Comment Re:E-4 replacement - when? (Score 1) 293
That's odd, that page says the E-4B flies as backup to the VC-25, I thought they used the second VC-25 as the shadow (perhaps if the second one is being worked on they use the E-4B, could be why the order for the VC-25 replacements is 3 instead of 2 airframes?)