IRNA � Iran's 3-day joint and massive air defense drill called 'Modafe'an-e Aseman-e Velayat 7' is scheduled to start work on Monday in South of country.

Addressing a Sunday press briefing in this Persian Gulf province, Commander of Khatam ol-Anbia Air Defense Base Brigadier General Farzad Esmayeeli said that the upcoming drill is to take place in wide scale in South of Iran.

'The drills will be held for three days in an area covering 496,000 km and with the attendance of Army and IRGC Air Defense Forces and navy Force support units, the Aerospace Force of the Army of the Guardians of the Islamic Revolution (AFAGIR), Army and IRGC Ground Forces artillery and picket forces', he added.

'F-4 Phantoms and S300 missile system will be testfired during the event', he said.

'The event is characterized by large volume of artillery fire and missiles shut when passenger planes are simultaneously flying overhead' he noted.

'Modafe'an-e Aseman-e Velayat 6' was held in Shabestar, East Azarbaijan.