Images emerge of strike on Russian helicopters in Belgorod / Ukraine war briefing: Strike into Belgorod 'destroys four Russian helicopters' / Russian helicopters notable for high reliability -- company / Russian helicopters supplied to more than ten countries last year / Russian army helicopters destroy enemy forces on mountainous terrain in Tajikistan drills / Ukrainian pilots run major risks in outdated Soviet helicopters / Russian commander ‘used two military helicopters to transport his pet cat’