Submarine tender USS Canopus at anchor, San Pedro, 1923 Description: View of the USS Canopus, a submarine tender, anchored in the San Pedro Harbor. Five submarines can be seen attached to the starboard side of the ship. The Canopus was at San Pedro from early 1923 until July 17, she sailed for Pearl Harbor. Date: 1923 Resource Type: still image Collection: Los Angeles Times Photographic Collection