Various types of copters such as Bell 212 used their missile launchers and machine guns in attacking their targets on the Persian Gulf waters.
The Navy Air Force choppers also carried out heliborne operations.
The military drills, dubbed Velayat-97, have been underway during the past three days in the Persian Gulf, the Sea of Oman and parts of the Indian Ocean.
9218**2044
Follow us on Twitter @IrnaEnglish