Russian Aircraft Corporation MiG intends to make its MiG-35 fourth-plus generation fighter available to African nations.
Mountain Home Air Force Base in southwestern Idaho operates flights over portions of the three states.
The incident is under investigation.
An exercise to test the base's wartime readiness was stopped two days early following the crash.
The 31-year-old Hornet's sunset flight included three F/A-18F Super Hornets.
The Air Force wants to create a combat-ready fighter jet in just five years.
The work isn't over, officials say.
Officials said F/A-18 E/F Super Hornet and EA-18G Growler fleets each "stand above" the 80% readiness goal.
The former SecDef had ordered the F-16, F-22, F-35 and F-18 fleets brought to 80 percent mission capable rates.
Turkey has been banned from purchasing the F-35 after buying the Russian-made S-400 missile system.