[2] Around 1825, he sailed for the Danish West Indies on the corvette Diana, and was granted admission to serve in the French Royal Navy.

He was aboard the brig Alcyone when the combined British-French-Russian fleet destroyed the Ottoman navy at the Battle of Navarino.

In autumn of 1831, he returned home from French service and later sailed with the brig St. Jan to the Danish West Indies.

[1] In 1848, the First Schleswig War broke out when Suenson was commander of the schooner Pilen, a guard ship near Nyborg in the Great Belt.

On August 16, 1850, Edouard Suenson led a battle between the Danish ships Hekla and Løwe with four Schleswig-Holstein gunboats in the Bay of Kiel.

[2] Suenson had been in command of the Danish squadron in the North Sea with frigates Niels Juel and Jylland, and corvettes Dagmar and Heimdal since the spring of 1864.

An 1881 oil on canvas portrait painting of him by Otto Bache is on display in the Museum of National History at Frederiksborg Castle in Hillerød.