The planned upgrade for the KC-46 Pegasus' Remote Vision System is now expected to field 18 months behind an already delayed schedule, Air Force Chief of Staff Gen. David Allvin said yesterday, resulting in a new delivery date about three years behind the initial plan. “The latest estimate on the pacing item is the remote vision system, which, again, is operating just not operating as we would expect it to. We’re probably looking at another 18 months,” Allvin said Tuesday...