My son is in Sea Cadets - it's a great organization.
Trainings he has had include:
Five weeks aboard the USCG barque Eagle
Two weeks in Scotland w/ British Royal Navy (got yacht sailing cert, subs and machine guns, the Falkirk Wheel)
The above two trainings are for high academic and PO3 and above
He also did:
Master at Arms training (military law enforcement - involved being hunted by attack dogs - I believe)
Petty Officer Leadership Academy (POLA)
Basic Airman training
Basic training
He also studied for a cert in small boat skills given by the Coast Guard Auxiliary. And did small arms training w/M9s. Lots of other interesting and cool stuff. He wishes he had done EOD (Explosive Ordinance Disposal) but it conflicted w/ something else - I think.
Lots of PT. Uniform maintenance and inspection.
Sea Cadets paid for him to go to NASS. He hopes to finish as Chief at Plebe summer (if he gets appointed - Lord willing)
If you have any q's re Sea Cadets PM me.