ISLAMABAD, March 23, 2016 (Xinhua) -- Pakistani air force jets perform during a ceremony to mark the Pakistan Day in Pakistan's capital Islamabad, on March 23, 2016. The Pakistan Day is celebrated on March 23 every year to mark the passage of a resolution that called for the establishment of a separate homeland for the Muslims of British India in 1940. (Xinhua/Ahmad Kamal)
ISLAMABAD, March 23, 2016 (Xinhua) -- Pakistani commandos hang from a helicopter during a ceremony to mark the Pakistan Day in Pakistan's capital Islamabad, on March 23, 2016. The Pakistan Day is celebrated on March 23 every year to mark the passage of a resolution that called for the establishment of a separate homeland for the Muslims of British India in 1940. (Xinhua/Ahmad Kamal)
ISLAMABAD, March 23, 2016 (Xinhua) -- Pakistani air force jets perform during a ceremony to mark the Pakistan Day in Pakistan's capital Islamabad, on March 23, 2016. The Pakistan Day is celebrated on March 23 every year to mark the passage of a resolution that called for the establishment of a separate homeland for the Muslims of British India in 1940. (Xinhua/Ahmad Kamal)
ISLAMABAD, March 23, 2016 (Xinhua) -- A Pakistani paratrooper performs during a ceremony to mark the Pakistan Day in Pakistan's capital Islamabad, on March 23, 2016. The Pakistan Day is celebrated on March 23 every year to mark the passage of a resolution that called for the establishment of a separate homeland for the Muslims of British India in 1940. (Xinhua/Saadia Seher)
ISLAMABAD, March 23, 2016 (Xinhua) -- Pakistani air force helicopters perform during a ceremony to mark the Pakistan Day in Pakistan's capital Islamabad, on March 23, 2016. The Pakistan Day is celebrated on March 23 every year to mark the passage of a resolution that called for the establishment of a separate homeland for the Muslims of British India in 1940. (Xinhua/Saadia Seher)