The freighter was a Q-ship, a warship disguised as a merchantman. In 1799 Pickering sailed to England on the merchantman "Washington". Of this convoy, cruiser "Yasoshima", a merchantman, and three landing ships were sunk. On 3 March she sank the German merchantman at . Renaming the seized merchantman "Adventure Prize", he set sail for Madagascar. Compare to the Q-ship, which was a disguised merchantman for anti-submarine operations. He counts as his closest friend the young somewhat mercenary Japanese merchantman Yan. On 21 February 1940 the ship helped to capture the German merchantman . John Barry served as the ship's only master during her career as a Philadelphia merchantman. In early November 1606 Ward captured the English merchantman "John Baptist" under Captain John Keye. The merchantman, , was taken under tow and the cargo was redistributed. On 1 January 1800, "Clarisse" captured a large rice-laden merchantman, the British "James". The merchantman stopped without the raider's firing a shot. Instead, she was sold for service as a merchantman. Participated in the recovery of the American merchantman from Cambodian Communist forces in May 1975.