Answer: interceptor

AnswerCrossword Clue
INTERCEPTORDefensive fighter plane.
INTERCEPTORType of plane.
INTERCEPTORDefensive back, at times
interceptorA person or thing that stops or catches (someone or something) going from one place to another
interceptorone who intercepts also INTERCEPTER
interceptorA fast aircraft for stopping or repelling hostile aircraft