US Atlantic Fleet conducts amphibian assault exercise on Vieques Island, Puerto Rico

US Atlantic Fleet amphibious exercise, Vieques Island, Puerto Rico. Several large ships with smaller vessels surrounding and departing from them. A surfaced submarine. View from aboard ship where Piasecki HUP-3 helicopter lands and takes off again. Submarine (on surface) and a destroyer.View, from ship's porthole, of submarine. View from ship of departing HUP-3 helicopter. Assault boats. View from beach of shells exploding on the beach. Assault ship number 1472 with derricks.Amphibious assault vehicle speeding through water toward beach. Shells bursting inland.Amphibious assault vehicle rides up on sand beach, past observers and photographers. Marines hitting the beach, as they charge from assault boats. One boat has number: 1153-3 painted on hull. Marines charge inland past photographers. Group of helicopters seen in distance, inland.