HMS PUNCHER (Pennant Number P291) is an Archer Class P2000 Patrol Vessel of the Royal Navy. She is permanently based at HMNB Portsmouth and forms part of the First Patrol Boat Squadron (1PBS). Puncher is primarily tasked with training the Officer Cadets and Midshipmen of the University of London's University Royal Naval Unit (London URNU). She also provides a training platform for Young Officers undertaking training during the Royal Navy's Initial Warfare Officers course, and has also been used in the coastal protection role, most notably during OP OLYMPIC, the security operation surrounding the London 2012 Olympic Games.