During a violent storm in Burrington Combs, England, in 1763, a terrified clergyman woman sat in a cleft of a rock waiting for the bad weather to pass. In her fear, she felt so close to God that she wrote the Hymn Rock of Ages.
One of the big themes that you keep seeing in the tattoo. The image symbolizes the last place the sailor can go as a castaway. Many see the time of death in this.