Recently, F-22 Raptor pilots from the Pacific Air Forces' 3rd Wing simulated refueling in a remote location.
Cannon Air Force Base
The New Mexico Environment Department has asked the Air Force for the money within 30 days.
The Ninth Judicial District Attorney said prosecutors would be unable to prove the case to a jury beyond a reasonable doubt.
New Mexico is suing the U.S. Air Force over groundwater contamination at two military bases in the state.
Chemicals associated with firefighting foam once used at Cannon AFB have been detected in groundwater on the installation.
Recent tests show three of 25 private water sites near Cannon Air Force Base are not safe to drink.