Original sentence: Its next role was in agricultural aerial application and firefighting with first Chris Stolzhus and Associates in 1962 and Doltham Aviation Corporation in 1966, before winding up its postwar career in 1978
Edited sentence: Its next role was in agricultural aerial application and firefighting with first Chris Stolzhus and Associates in 1962 and Dotham Aviation Corporation in 1966, before winding up its postwar career in 1978