Four Russian warplanes entered the Air Defense Identification Zone off the coast of Alaska on Dec. 18, North American Aerospace Defense Command announced—the first such incident in three months.
Radomes provide strategic and theater missile warning for the United States and its international allies, at Buckley Space Force Base, Colo. Space Delta 4, the missile warning Delta, contributes heavily to missile defense, space domain awareness, battlespace awareness and technical intelligence missions in support of combatant commanders. Senior Airman Danielle McBride/USSF
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