Iran on Tuesday unveiled six important defense industry achievements on the occasion of the country\'s Defense Industry Day. The achievements unveiled on the occasion of the country\'s national Defense Industry Day include an enhanced version of fourth generation Fateh (Victory) 1D-110 missile, Armita flying laboratory, Bonyan (Foundation) 4 marine engine, Aras tactical vehicle, Vafa (Loyalty) mortar launcher as well as Shahed tapping and positioning system, Press TV reported.