▁ ▁between ▁per pend icular s ▁with ▁a ▁beam ▁of ▁ ▁and ▁a ▁dra ug ht ▁of ▁. ▁The ▁vessels ▁are ▁power ed ▁by ▁a ▁CO GO G ▁system ▁driving ▁two ▁sh aft s ▁composed ▁of ▁two ▁Olymp us ▁T M ▁ 3 B ▁gas ▁tur b ines ▁r ated ▁at ▁ ▁and ▁two ▁Ty ne ▁R M - IC ▁gas ▁tur b ines ▁r ated ▁at ▁. ▁The ▁ships ▁have ▁a ▁maximum ▁speed ▁of ▁ ▁while ▁using ▁their ▁Olymp us ▁gas ▁tur b ines ▁at ▁ ▁using ▁their ▁Ty ne ▁tur b ines . ▁The ▁ME K Os ▁have ▁a ▁maximum ▁range ▁of ▁ ▁at ▁ 1 8 ▁kn ots . ▁ ▁The ▁Argent in ian ▁vessels ▁are ▁armed ▁with ▁eight ▁Ex oc et ▁surface - to - sur face ▁miss iles ▁in ▁two ▁quad ▁launch ers ▁mounted ▁cent r ally ▁and ▁one ▁oct u ple ▁launch er ▁for ▁Asp ide ▁surface - to - air ▁miss iles ▁mounted ▁a ft ▁of ▁the ▁super structure . ▁The ▁ME K O ▁ 3 6 0 H 2 ▁are ▁also ▁equ ipped ▁with ▁one ▁O TO ▁Mel ara ▁/ 5 4 ▁cal ib re ▁naval ▁gun ▁forward ▁of ▁the ▁super structure , ▁eight ▁B of ors ▁ 4 0 ▁mm / 7 0 ▁cal ib re ▁guns , ▁and ▁two ▁triple - mount ed ▁ ▁IL AS ▁tor ped o ▁tub es . ▁ ▁See ▁also ▁▁▁▁▁▁▁▁▁ ▁ME K O ▁ 1 4 0 ▁ ▁ME K O ▁A - 2 0 0 ▁Val