ISPR says three-week long exercise focused on counter-terrorism operations and built-up area clearance drills Closing ceremony held in Terbela. PHOTO: ISPR The closing ceremony of the Pakistan-Turkey joint military exercise, which began earlier this month, titled “Ataturk-XI 2021” held in Terbela, said the Inter-Services Public Relations (ISPR) in a statement on Saturday. Troops from Turkish Special forces and Pakistan’s Special Service Group (SSG) participated in the exercise, the military’s media wing said. Closing ceremony of Pakistan-Turkey joint military exercise ATATURK-XI 2021 was held at Terbela on Saturday. Troops from Turkish Special forces and Pakistan’s Special Service Group (SSG) participated in the exercise, according to #ISPRpic.twitter.com/yFCmYOI0Hz