Components of unmanned aircraft and a quantity of ammunition have been discovered by the security personnel of the 215th Azm Army Corps in the country’s southern province of Helmand, the Ministry of National Defense said in a statement Saturday. “During an intelligence operation by the security personnel of the army corps, components of unmanned aircraft and a quantity of ammunitions have been discovered and seized in Musa Qala district of the province,” the statement said, adding four individuals also have been arrested in connection with the case. The seized components and ammunition include 5 wings of unmanned aircraft, 9 rocket projectiles and 8 grenades, the statement added.