Joint STARS Re-engining in Limbo

http://www.airforce-magazine.com/Features/modernization/Pages/box081809jstars.aspx

from a link in the article

http://www.lexingtoninstitute.org/air-force-delay-on-radar-plane-fix-hurts-soldiers?a=1&c=1129

As a result, about once every ten days the Joint Stars fleet has to abort a mission due to malfunctioning engines, and half the time an in-flight emergency is declared

. . .

it could avoid about a million dollars a day in maintenance costs. In fact, the replacement program would pay for itself in eight years, and eventually save $10 billion