Given the question: What key details about donald randell evans can be extracted from the following bio? Bio: air chief marshal sir donald randell evans kbe cb dfc -lrb- 31 january 1912 -- 9 april 1975 -rrb- was an innovator in night fighting tactics in world war ii and conducted the signals planning for the sicily and normandy invasions .
The answer is:
- battles is world war ii- allegiance is united kingdom- death date is 9 april 1975- commands is fighter warfare technical training command imperial defence college interception unit telecommunications flying unit school of land-air- awards is knight companion of the order of the bath distinguished flying cross commander of the order of the british empire- birth date is 31 january 1912- serviceyears is 1930 - 1970- name is sir donald evans- branch is united kingdom- birth place is richmond , surrey- rank is air chief marshal