The U.S. Sloop of War <em>Alert</em>.

Alert

The U.S. Sloop of War Alert.

Rig of an American Sloop.

American Sloop

Rig of an American Sloop.

A sailing vessel with two masts rigged like the foremast and mizzen-mast of a full-rigged ship.

Brig

A sailing vessel with two masts rigged like the foremast and mizzen-mast of a full-rigged ship.

The U.S. Sloop of War <em>Marion</em>.

Marion

The U.S. Sloop of War Marion.

"A small fore-and-aft rigged vessel with one mast and fixed bowsprint."&mdash;Finley, 1917

Sloop

"A small fore-and-aft rigged vessel with one mast and fixed bowsprint."—Finley, 1917