ISLAMABAD: North Atlantic Treaty Organisation (NATO)’s Military Committee Chairman General Petr Pavel on Tuesday called on Joint Chiefs of Staff Committee (JCSC) Chairman General Rashad Mahmood at the Joint Staff Headquarters in Rawalpindi, according to a press release issued by the Inter-Service Public Relations. During the meeting, matters of mutual interest with emphasis on geo-strategic situation and security challenges came under discussion, the release said. The visiting dignitary lauded the professionalism of the Pakistan Army and acknowledged the sacrifices rendered by Pakistan in war on terror.