Aiming to raise money for the Royal Navy and Royal Marines Charity the team is looking for people to donate and set them challenges to carry out en-route.

Challenges can be set online at http://uk.virginmoneygiving.com/EscapetoTwickenham. They will be totally reliant on public support throughout their 230 mile journey for food transport and beds for the night.

LPT Jenkins said: “We’ve been overwhelmed with the support so far. One of our first challenges was to cross the River Tamar without using the ferry or Saltash bridge.

"We were grateful to the Police who gave us a lift in one of their boats so we could tick that one off the list.

"We need to get to Britannia Royal Naval College, in Dartmouth, we’re not sure how yet, where we’ve been challenged to help serve lunch to the Officer Cadets and sing ‘Jerusalem’ on the Quarterdeck.

"The Captain of HMS Raleigh, Captain Bob Fancy, has challenged us to get as many celebrities as possible to sign a rugby ball and will also give us £5 for every different type of transport we manage to blag along the way.

"We’ve also been given a sealed envelope by one of the training squadrons at Raleigh, which we’ve been told to open when we get to the Royal Naval Air Station Yeovilton.

"We’d like to say a big thank you to all those who have supported us so far and say to everyone else if you can think of a challenge you want us to do, get it online. We’re up for almost anything.”

All four sailors are currently serving at the HMS Raleigh. Lt Cdr Fox is in charge of the initial naval training school for recruits, while WO Pulley heads up the establishment’s PT department.

LPT Jenkins is part of the team responsible for taking the recruits through the PT element of their phase one training and LS Sissons is assigned to one of the training divisions, supporting the recruits as they make the transition from civilians into sailors.

Together they have served a total of 87 years.

As the principal charity of the Royal Navy, the RNRMC focuses on the sailors and marines who wear the uniform today by helping to boost morale, improving facilities and easing the pressures of Service life.

The charity also provides valuable funds for Naval and military charities that work with families and veterans.

The RNRMC has set sailors and Royal Marines ‘The road to Twickenham’ challenge to raise money for the charity. The group from HMS Raleigh have adapted this theme for their own ‘Escape to Twickenham’ event.

The annual Royal Navy/Army rugby match is one of the highlights of the sporting calendar and will be watched by a crowd of more than 65,000 fans.