Pricey War Machines: Inside the Most Expensive Military Engineering Wonders

7. MiG-31 Foxhound

Joined the Service: 1975
Producer: Russian Aircraft Corporation MiG Price: *$33.2 million The MiG-31 Foxhound, first flown in 1975 and fielded in 1981, remains a cornerstone of Russian and Kazakh air defense.
MiG-31 Foxhound Image Source: Shutterstock (Arseniy Shemyakin) Built to replace the MiG-25, it combines blistering speed with long-range interception gear. Russia intends to keep it active through at least 2030, underscoring its strategic worth.

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