7. MiG-31 Foxhound
Joined the Service: 1975
Producer: Russian Aircraft Corporation MiG
Price: *$33.2 million
The MiG-31 Foxhound, developed in 1975 and fielded in 1981, is a high speed interceptor from the late Soviet era still used by Kazakhstan and Russia for air defense.
With 519 units produced by UNAC, it is noted for speed, range, and multi target engagement capability. At roughly $33.2 million, it remains a strategic asset.
MiG-31 Foxhound
Image Source: Shutterstock (Arseniy Shemyakin)
Designed as a MiG-25 Foxbat successor, it added modern systems while retaining a similar silhouette. Its high velocity profile keeps it central to interception roles.
Russia intends continued service at least through 2030, reflecting enduring utility in high altitude and long range threat interception.