Colonel Andy Hadfield, who is leading one of the five crews on Dasher is also a Deputy Commander in 4th Infantry Brigade.
He says many newcomers to sailing can feel overwhelmed when they are set off on a voyage a long way from home.
"There's just you in the middle of a huge ocean and not much around you"
The first Tall Ships race involved 20 ships sailing between the UK and Portugal in July 1956.
The organisers wanted to give young people the opportunity to have a potentially life-changing experience, develop new skills, visit new ports and work with other sailors from across the globe in the spirit of adventure.