Mark Douglas served as a sailor in the US Navy for twenty years. In his career, he served on three attack transports, a destroyer, a cruiser, and a patrol frigate. He currently liv...lihat lebih banyakMark Douglas served as a sailor in the US Navy for twenty years. In his career, he served on three attack transports, a destroyer, a cruiser, and a patrol frigate. He currently lives in Florida.lihat lebih sedikit