 Thereafter, the Colombian government introduced special measures to limit and counter the Axis military action in areas of national jurisdiction.On June 23, 1942 a German submarine attacked and sank the schooner Colombian "Resolute", 50 miles northwest of the island of San Andrés.The same schooner had rescued some Marine officers and 23 British Royal Navy survivors of a capsized ship, 200 miles north of Cartagena just five days before.