Brigadier Helm Roos (1930–1992) was a senior officer in the South African Army from the artillery .

He was a qualified Army Air Observation Pilot who served as OC 7 Division and Western Province Command before his retirement in the seventies.

[1] He was born in 1930 and grew up in the East Rand and matriculated from Potchefstroom High School for Boys in 1947.

He was in command of the management team in Angola during the "Bridge 14" operation circa 1974 during the cold-war era power vacuum left by the Portuguese evacuation.

He was recruited by the Royal Dutch Shell Oil company at retirement from the Army to the position of Chief of Security South Africa, where he served the remainder of his life espousing the principle of "being the harder nut to crack".