Sherdils demonstrating their skills during rehearsal ahead of the Pakistan Day parade on 23rd March. APP01-210322 ISLAMABAD: March 21 - Sherdils demonstrating their skills during rehearsal ahead of the Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood APP01-210322 ISLAMABAD: APP02-210322ISLAMABAD: March 21 – Sherdils demonstrating their skills during the rehearsal ahead of the Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood APP03-210322ISLAMABAD: March 21 – Sherdils demonstrating their skills during the rehearsal ahead of the Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood APP04-210322ISLAMABAD: March 21 Pakistani fighter jet perform aerobatic manoeuvres during the rehearsal ahead of the Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood APP05-210322ISLAMABAD: March 21 Pakistan Army helicopter take part in the rehearsal ahead of Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood APP06-210322ISLAMABAD: March 21 Pakistani fighter jet perform aerobatic manoeuvres ahead during the rehearsal ahead of the Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood APP07-210322ISLAMABAD: March 21 A view of paratroopers performing their skills during rehearsal ahead of Pakistan Day parade on 23rd March. APP photo by Irfan Mahmood