The Sea Cadet Corps is a Nationwide, voluntary, uniformed youth organisation open to young people aged 10-18 years (and with Junior Sections for those of 10 to 12 years) regardless of sex, religion or race and, within the bounds of safety to themselves and others, to those with special needs.

The Aim of the Sea Cadet Corps is to help young people towards responsible adulthood by encouraging valuable personal attributes and high standards of conduct, using a nautical theme based on the customs of the Royal Navy.