HSC-21 Blackjacks Squadron Crest Spiral Notebook

Helicopter Sea Combat Squadron 21 (HSC-21), the "Blackjacks," is a U.S. Navy expeditionary helicopter squadron based at Naval Air Station North Island, California. Flying the MH-60S Seahawk, the Blackjacks deploy detachments aboard logistics ships, hospital ships, and amphibious assault ships around the world.

This wire-bound spiral notebook carries the squadron crest on a full-bleed navy cover — a great daily companion or gift for veterans, families, and naval aviation enthusiasts.