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The US Air Force estimates it would cost more than $1.7 billion over 11 years to upgrade 34 Lockheed Martin F-22s from a training configuration to a fully modernised, operational status, according to a USAF report sent to Congress.
The August report, recently obtained by FlightGlobal, outlines the estimated cost and schedule to bring 31 Block 20 Raptors supporting pilot training and another three Block 20 aircraft supporting flight test to the combat-coded Block 30/35 configuration.
Block 20 aircraft would need at least four generations of upgrades -- and perhaps more -- to keep up with the combat-coded fleet if installation kits are funded after 2025.
originally posted by: Zaphod58
a reply to: chrismarco
Which might get a tiny fraction of a small city done. The Virginia State Commission did a study in 2005. To bury their power lines, just for Virginia, would have cost $80B, taken over 10 years, and cost the user $250 extra a month.