On 22 September 1940 she picked up 31 survivors from the Norwegian merchant SS Simla which had been torpedoed and sunk by the German U-boat U-100 west of Ireland.

[3] On 15 October she rescued nine survivors from the British merchant SS Thistlegarth which had been sunk by U-103 45 nautical miles (83 km) west-north-west of Rockall.

[3] She patrolled the western Atlantic for most of her career as a United States ship, escorting convoys from as far north as Greenland to as far south as Argentina.

Lim, engaged her and her Norwegian captain to smuggle raw rubber from Sumatra to Johor on the Malay Peninsula[8] and later to Singapore.

Early in 1958 Indonesian forces defeated the PRRI in its main strongholds and ports on Sumatra, reducing its rebellion to a residual guerilla war.

In December 1958 Douglas, now renamed Seabird, smuggled a cargo of small arms, ammunition and M20 recoilless rifles from Taiwan[10] to Bolaang Bay on the coast of Minahasa.