Amphion-class submarine HMS Andrew (P423) with a Royal Navy Sea King above and deck gun mounted
Aerial starboard-bow view of modernized Amphion-class submarine HMS Alliance (S67) seen in 1965 during her service with 7th Submarine Squadron, note her deck gun. She is wearing a camouflage paint scheme appropriate for operations in the shallow waters around Malaysia during the Indonesian Confrontation. IWM HU 129708