The Detached Mission

The Detached Mission sometimes translated as Solo Voyage or Solo Journey Russian , translit.Odinochnoye plavanie and also known as The Russian Hero is a 1985 Soviet military action film, directed by Mikhail Tumanishvili. In official U.S. Navy parlance, the term corresponds to independent steaming.

At the same time, a man in civilian clothes, later identified as a CIA officer, meets U.S. Army Major Jack Hessalt, a Vietnam War veteran. The CIA officer appoints Hessalt as a commanding officer of a missile launch command post inside a secret U.S. military base in the central Pacific Ocean. Hessalt periodically suffers flashbacks to episodes from the Vietnam War.While the American and Soviet ships track each other in the Pacific Ocean, a Soviet frigate 1,500 miles to the south prepares to return from a detached mission independent steaming in U.S. Navy lexicon. Aboard the frigate is a detachment of Soviet marine infantry, commanded by Major Shatokhin. ........

Source: Wikipedia