U.S. Deputy Secretary of State Advocated for the U.S. NATO-Interoperable Fighters During His Visit in Bulgaria

U.S. Deputy Secretary of State Advocated for the U.S. NATO-Interoperable Fighters During His Visit in Bulgaria 17 December 2018, BulgarianMilitary.com The U.S. Deputy Secretary of State expressed hope that the Bulgarian Air Force will operate the F-16 to protect the Bulgarian people, stressing that this concerns the national security. This, John Sullivan pointed out in…