Both John Frost and Adolph Malan were from which country?
John Frost (SAAF officer): John Everitt "Jack" Frost, (16 July 1918 – missing in action 16 June 1942) was a South African fighter ace during the Second World War. Adolph Malan: Adolph Gysbert Malan, (24 March 1910 – 17 September 1963), better known as Sailor Malan, was a South African fighter pilot and flying ace in the Royal Air Force (RAF) who led No. 74 Squadron RAF during the height of the Battle of Britain.
South African