At a guess, a huge amount of communications gear and another huge pod of anti-everything electronic countermeasures. Also multiplied by however large the fleet of helicopters that serve "Marine One" duty might be.
But despite working on and around all manner of aircraft, including the rather not-cheap F-22, I can't wrap my brain around spending 11 billion on a handful of helicopter refits. Blblblbl.
no subject
Date: 2009-02-24 04:03 am (UTC)But despite working on and around all manner of aircraft, including the rather not-cheap F-22, I can't wrap my brain around spending 11 billion on a handful of helicopter refits. Blblblbl.