The captain ("Skipper") of the Seahawk wears a surface warfare officer (SWO) pin. However, the captain of an aircraft carrier (CVN, in this case) in the US Navy comes from the aviator ranks, and should be wearing Naval Aviator (or Naval Flight Officer) wings.
During testimony it is stated that Petty Officer Douglas returned to the ship and stumbled on the Quarter Deck. Enlisted personnel do not leave or return to the via the Quarter Deck. There is a brow (aka gangplank) comes from the pier to one of the starboard plane elevators. They salute the Ensign, cross the elevator and request permission to come aboard. After which they go where ever they need to on the ship.