On February 16, 1804, Lieutenant Stephen Decatur, with 75 volunteers from the frigate Constitution and the schooner Enterprise entered Tripoli harbor by night in the ketch Intrepid with the intent to burn the captured frigate Philadelphia. The ketch was disguised as a merchant ship flying British colors. Stating they lost their anchors in a storm, they were given permission to moor alongside Philadelphia until morning. Boarding the frigate, they set the captured ship ablaze. England's Lord Nelson called this "the most daring act of the age."