Complex sentence: They also have a number of other, specialist roles, including Chemical, Biological, Radiological and Nuclear (CBRN) defence and training other, air force personnel in basic ground defence tactics.
Split into simpler sentences: They also have a number of other, specialist roles. These include, among others, Chemical, Biological, Radiological and Nuclear (CBRN) defence and training other, air force personnel in basic ground defence tactics.