Statistics for occurrence #1 of “Lieutenant-Commander Owen” in chapter 25 of Admiral David D. Porter, The Naval History of the Civil War.:

...miral Porter that Sherman was in position in the rear of the work, and waiting for the gun-boats to begin the attack on the fort. This could not very well be the case, but the gun-boats Louisville, Lieutenant-Commander Owen , the De Kalb, Lieutenant-Commander Walker, and the Cincinnati, Lieutenant-Commander George Bache, were ordered to go up within 400 yards, while the smaller vessels were to follow and use their howitz...
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