A group of 19 players and eight staff made the short journey to Altcar Training Camp on Merseyside to work alongside instructors from the Commando group.
The team were split into three teams and subjected to tough physical tests on circuit runs, carrying full kit and a heavy stretcher before taking on a testing assault course.
An observation, communication and teamwork task saw the groups required to find 10 missing items hidden in a nearby wood.
The groups then set up a 'harbour' among the trees where they learned how to apply camouflage and cook up military rations while in the field.