The Sri Lanka Army on Wednesday (29) morning added more teeth to airborne skills of tri servicemen among Special Operation Forces by graduating 74 more parchutists upon completion of their special training in Combat Airborne & Pathfinder Course No: 2 and Basic Airborne Course No: 86 A during a brief ceremony, headed by General Shavendra Silva, Chief of Defence Staff and Commander of the Army as the Chief Guest at the 22 Division HQ premises in Trincomalee.