Complex sentence: Reactivated as an Air Defense Command F-86D Sabre interceptor squadron in July 1955 at Westover AFB, Massachusetts flying F-86D Sabre Interceptors, performing an air defense mission over Boston and the New England area.
Split into simpler sentences: Reactivated as an Air Defense Command F-86D Sabre interceptor squadron in July 1955 at Westover AFB, Massachusetts. Performed air defense mission over Boston and the New England area.