South African Air Force
The South African Air Force (SAAF) is the air force
Air force
An air force, also known in some countries as an air army, is in the broadest sense, the national military organization that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an army, navy or...

 of South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

, with headquarters in Pretoria
Pretoria is a city located in the northern part of Gauteng Province, South Africa. It is one of the country's three capital cities, serving as the executive and de facto national capital; the others are Cape Town, the legislative capital, and Bloemfontein, the judicial capital.Pretoria is...

. It is the world's second oldest independent air force, and its motto is Per Aspera Ad Astra
Per Aspera Ad Astra
Per aspera ad astra is a Latin phrase meaning "through hardships to the stars" and is the motto of many organizations. It may also refer to:* Per Aspera Ad Astra , a 1981 Soviet science fiction film...

(Through Adversity to the Stars). An official slogan, Through Diversity To Airpower Excellence, is also used.
The origin of the South African Air Force can be traced back to 1912, when the Union Defence Force (UDF) was formed.