She was recommissioned on 16 October 1911 and was assigned to the U.S. Survey Squadron to make depth soundings and surveys in preparation for the opening of the Panama Canal. She was commissioned on 7 June with Commander Harrison Gray Otis Colby (USNA 1867) in command. Hannibal served in English waters until December, when she sailed for the Azores via Gibraltar as a sub-chaser escort.
Chesapeake Classic: Navy Target Ships in the Bay Pre-dreadnought battleships were sea-going battleships built from steel and powered with coal-fueled steam engines.

In 1933, Hannibal and Gannet were the first U.S. Navy vessels to collect dynamic sounding data in which depth and oceanographic data were collected in one sounding and analyzed aboard.
USS Hannibal (AG-1), a converted steamer, was built as Joseph Holland by J. Blumer & Company at Sunderland, England, in 1898.

The first, long since blasted beneath the waves, was named Hannibal — a 274-foot coal freighter built in Britain in 1898 and … Just as we were clearing American Mariner perhaps two miles away, we noticed a powerboat on the southern horizon with a flashing red light. The Old Hannibal Target Ship. For example, there are prohibited and restricted areas off the Naval Research Laboratory at Chesapeake Beach, Maryland, due to a … Hannibal was decommissioned on 15 August 1911. These are not amusement parks — to state what should be obvious — and deserve to be treated with caution. After an overhaul in early 1918, she became a tender to submarine chasers at Plymouth, England. Hannibal served in English waters until December, when she sailed for the Azores via Gibraltar as a sub-chaser escort. Over.”, To which came the reply, “The helicopter just left base at Pax River and is en route now.”. In 1966, the Navy brought in a replacement ship — American Mariner, a 442-foot World War II Liberty Ship — and carefully scuttled it near Hannibal, pointing north. Parts of its smokestacks, bridge, and other features are shot away or falling apart.

About 85 percent of the Hooper operations are said to remain within the bounds of the circular prohibited area. She was commissioned on 7 June 1898 with Commander Harrison Gray Otis Colby (USNA 1867) in command. From June 1898 – May 1908, Hannibal served in the Collier Service along the Atlantic coast. During World War I, the ship became a tender to submarine chasers in England, sailing to Portugal and France. She was purchased by the United States Navy on 16 April 1898 and renamed Hannibal. Although built as a Liberty Ship, American Mariner never served in the war; instead, it was fitted out as a training ship for the Merchant Marine and later used as a radar platform to track rockets. “Roger, changing course due east,” I answered, surprised at the news. In one instance in the 1990s, they found two young men had actually climbed onto the wreck itself — literally inside the bulls-eye of a target about to be sprayed by automatic cannon fire. © 2020 Cruz Bay Publishing, Inc. an Active Interest Media company.