USS Sea Foam (1861)

History
United States
Acquired	14 September 1861
Commissioned	27 January 1862
Decommissioned	16 May 1865
Fate	sold, 12 June 1865
General characteristics
Displacement	251 tons Ship length=112 ft 6 in (34.29 m)
Beam	26 ft (7.9 m)
Draft	9 ft 3 in (2.82 m)
Propulsion	sail
Armament	1 × 13 in (330 mm) mortar; 2 × 32-pounder guns;

USS Sea Foam was a brig purchased by the Union Navy during the American Civil War.

She was used by the Union Navy primarily as a mortar gunboat, but also as a gunboat stationed off

storeship

, keeping fleet ships supplied with necessary materiel.

Service history

Sea Foam was a wooden-hulled

Ship Island, Mississippi, to the mouth of the Mississippi River. She entered the river through Pass a l'Outre

on 18 March and spent the next month preparing for the impending attack on the Confederate forts which guarded the river.

On the afternoon of 18 April, Sea Foam and her sister mortar boats of the flotilla's third division opened fire on Fort Jackson and, during the following four hours, hurled 43 shells at the fort. Before dawn the next day, she resumed the bombardment and kept it up until well after sunset that evening, firing 88 shells during the day. She continued this pattern of operations during the following four days. Then, at midnight on the night of 23 and 24 April, she opened fire to join the bombardment which preceded Farragut's dash up river past the forts. She increased the rate of her fire to her maximum tempo some three and one-half hours later as Farragut's ships moved within range of the Southern batteries, and she maintained the pace until the Union ships were safely above the forts.

After New Orleans surrendered, Porter took his flotilla to a position off

Confederate works at Vicksburg, recalled Porter and the mortar vessels. In returning up the Mississippi River, Sea Foam ran aground on a sand bar below New Orleans and remained down river while her sister mortar boats supported Farragut's operations in the vicinity of Vicksburg during June and July 1862. She did get into action again on the Mississippi in the spring of 1863 when Farragut dashed past the Port Hudson batteries to stop Confederate commerce across the Mississippi from the Red River

.

For the next year, the brig, badly hampered by

North Atlantic Blockading Squadron

for the closing months of the war. Sea Foam was decommissioned at Boston on 16 May 1865. She was sold at public auction there on 12 June 1865 to A. C. DeWells.

References

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.