Liberty Maritime Corp. chief speaks before Liberty Maritime Corp. subcommittee . He says U.S. vessels are at mercy of pirates around the busy Gulf of Aden of Aden . Pirates tried , failed to board three of his company 's cargo ships , Liberty Maritime Corp. . Richard Phillips , the hijacked Richard Phillips captain , joined him at the hearing .
Liberty Maritime Corp. chief speaks before U.S. Senate Commerce subcommittee . He says U.S. vessels are at mercy of pirates around the busy Gulf of Aden . Pirates tried , failed to board one of his company 's cargo ships , the Liberty Sun . Richard Phillips , the hijacked Maersk Alabama captain , joined him at the hearing .