https://variety.com/2022/film/obitua...no-1235312747/
He was in S01E13, King of the Hill:
Colonel Lew Cardell (L.Q. Jones) shows up and helps Five-O cut through some Marine bureaucracy, while emphasizing that Auston can't be killed, because he was on his way to Washington to receive a medal, described by Chin Ho as a "big one," likely along the lines of the Congressional Medal of Honor.