The Mortar Troop is an element of the Command Company of 40, 42 and 45 Commando. The unit provides indirect fire support in the form of the L16A2 81mm mortar.
Mortar Troops have 9 L16A2 mortars, each operated by 2-man teams.
Mortar Troop also deploys 2-man Mortar Fire Control parties, consisting of Mortar Fire Controllers (MFC) who's job it is to call in and adjust mortar fires.
Mortar Troop are a commando-level support element which may send detachments to support individual companies.
Members of 42 Commando fire a L16A2 mortar during a training exercise. The L16A2 is a 81mm mortar that can fire high explosive (HE), smoke and illumination rounds.
U.S. Marine Corps photo by Cpl. Kelly L. Street, 2D MARDIV COMCAM/Released
Mortars can be carriedon foot and fired from a fixed, dug in position such as a mortar pit. They can also be fired from tracked vehicles such as the BV-206D or the Viking APC. Shown here are Mortar Troop, 42 Commando firing from the mortar-carrying variant of the BV206D during arctic warfare training in Norway.
Video showing mortar teams with 42 Commando firing 81mm mortars while on exercise in Bulgaria, 2016. Also shown are Mortar Fire Controllers calling in fires.