In July 1899 Cameron was seconded to the Egyptian army, and as an officer of the IXth Sudanese he fought at the Battle of Gedid.

[1] Six members of the Gordon Memorial Sudan Mission arrived at Mongalla on the upper Nile in January 1906.

[7] Cameron served with the Egyptian Expeditionary Force in the Western Desert during World War I, and was promoted to Lieutenant-Colonel in June 1919.

[1] In December 1919, as governor of Sennar province, he granted a petition from six Ta'isha shaykhs to return to Darfur, from where they had moved during the reign of the Kalifa.

[8] Between December 1919 and April 1920 he was involved in operations to subdue the Garjak Nuer tribe in the Upper Nile.