USS Thomas Jefferson SSBN 618, USS John C Calhoun SSBN 630, HQ Afnorth, Oslo Norway

**USS Thomas Jefferson (SSBN-618)** was a Lafayette-class ballistic missile submarine commissioned in 1963. She conducted numerous strategic deterrent patrols during the Cold War, carrying Polaris and later Poseidon missiles, before being decommissioned in 1985. **USS John C. Calhoun (SSBN-630)** was also a Lafayette-class ballistic missile submarine, commissioned in 1964. Like her sister ships, she played a key role in the United States’ nuclear deterrent strategy throughout the Cold War, operating until her decommissioning in 1994. **HQ AFNORTH (Headquarters Allied Forces Northern Europe)** was a major NATO command based in Oslo, Norway, from 1952 until 1994. It was responsible for coordinating the defense of Northern Europe, particularly Norway, Denmark, and northern Germany, against potential Warsaw Pact aggression during the Cold War.