Rossie was a schooner launched at Baltimore in 1807. At the outbreak of the War of 1812 she became a privateer, operating under a letter of marque. She made two voyages, the first as a privateer, and the less successful second as a letter of marque. The British captured her in January 1813.

Astrée was a 44-gun Pallas-class frigate of the French Navy, launched at Cherbourg in 1809. In December of the next year she captured HMS Africaine. The Royal Navy captured Astrée in 1810 and took her into service under her French name, rating her as a 38-gun frigate, but then in 1811 recommissioned her as HMS Pomone. She served during the War of 1812 and was broken up in 1816.