1986_Black_Sea_incident--Gerald_Rudolph_Ford

On March 13, 1986, the American cruiser USS Yorktown and the destroyer USS Caron tried to exercise the right of innocent passage under international law through Soviet territorial waters in the Black Sea near the southern Crimean Peninsula. They were confronted by Soviet frigate Ladny and border guard vessels Dozorny and Izmail.Yorktown and Caron stayed in Soviet territorial waters for roughly two hours. The situation de-escalated when the U.S. ships left; diplomatic repercussions continued for several weeks.