 
 <prompt> Despite victory, wetin be the worry? Given the previous question, write one context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: Airborne Interception radar (AI) bin dey unreliable. Di heavy fighting for di Battle of Britain don chop most of Fighter Command resources, so dem no too invest for night fighting. Bombers dey fly with airborne search lights out of desperation, but e no too dey work. Wey get pass potential na di GL (Gunlaying) radar and searchlights with fighter direction from RAF fighter control rooms to start GCI system (Ground Control-led Interception) under Group-level control (No. 10 Group RAF, No. 11 Group RAF and No. 12 Group RAF). 