PARENT'S HANDBOOK. A guide for parents during their child's involvement with the U.S. Naval Sea Cadet Corps. Updated: September 2018The Naval Sea Cadet Corps (NSCC) is for American youth ages 14-17 that -homeport.seacadets.org. This Handbook will help guide you into the unit. The Naval Sea Cadet Corps (NSCC) is for American youth ages 13-17 that into the Naval Sea Cadet Corps. This Handbook will help guide you into the unit. Download PHASE 1 Handbook (2019).pdf (PDF) · Download PHASE 2 Handbook (2019).pdf (PDF) · Download PHASE 3 Handbook (2019).pdf (PDF) · Download PHASE 4 Handbook (