Complex sentence: The "Jägerleitoffizier" had to vector the airborne night fighter by means of radio communication to a point of visual interception of the illuminated bomber, and referred to as the "Himmelbett" (canopy bed) procedure.
Split into simpler sentences: The "Jägerleitoffizier" had to vector the airborne night fighter by means of radio communication to a point of visual interception of the illuminated bomber. These interception tactics were referred to as the "Himmelbett" (canopy bed) procedure.