19 Lt Col Ben Halstead MBE RM Sep 19 - Jun 21 Lt Col Doug Pennefather RM Jun 21 - Present Lt Col James Lewis OBE RM References Notes Bibliography External links 42 Commando Royal Marines History The Royal Marines a Geo History Royal Marine formations and units Military units and formations established in 1942 Military units and formations of the United Kingdom in the Falklands War Military units and formations of the United Kingdom in the War in Afghanistan (2001–2021) Commandos (United Kingdom) 1942 establishments in the United Kingdom N