The Air Force has tallied a $2.6 billion tab for its Enhanced Polar System-Recapitalization program, an extremely high frequency satellite system that when combined with an associated ground component is designed to provide naval forces operating in north polar regions -- such as nuclear-armed submarines -- secure, anti-jam communications that are difficult for an adversary to detect. The figure is captured in the service's initial Selected Acquisition Report for the EPS-R program, sent to Congress in October, explaining the schedule...