3 ▁is ▁completed . ▁ ▁Sub s idi aries ▁of ▁G D MS ▁ ▁General ▁Dynam ics ▁S AT COM ▁Techn ologies , ▁a ▁subs idi ary ▁of ▁G D MS . ▁ ▁General ▁Dynam ics ▁Mission ▁Systems ▁- ▁Canada , ▁a ▁subs idi ary ▁of ▁G D MS ▁ ▁General ▁Dynam ics ▁United ▁Kingdom ▁General ▁Dynam ics ▁Media ware ▁ ▁References ▁ ▁External ▁links ▁ ▁General ▁Dynam ics ▁Mission ▁Systems ▁Website ▁▁▁ ▁Category : Information ▁technology ▁companies ▁of ▁the ▁United ▁States ▁Category : A eros pace ▁companies ▁of ▁the ▁United ▁States ▁Category : Comput er ▁security ▁companies ▁Category : Def ense ▁companies ▁of ▁the ▁United ▁States ▁Category : Coll abor ative ▁software ▁Category : Group ware ▁Category : National ▁Security ▁Agency ▁encryption ▁devices ▁Category : Un ited ▁States ▁government ▁secre cy ▁Category : Comp an ies ▁based ▁in ▁Fair f ax ▁County , ▁Virginia ▁Category : American ▁companies ▁established ▁in ▁ 2 0 1 5 ▁Category : E lect ron ics ▁companies ▁established ▁in ▁ 2 0 1 5 ▁Category : So ftware ▁companies ▁established ▁in ▁ 2 0 1 5 ▁Category : Te chn ology ▁companies ▁established ▁in ▁ 2 0 1 5 ▁Category : 2 0 1 5 ▁establish ments ▁in ▁Virginia ▁M <0x0A> </s> ▁The ▁Se ych elles ▁Child ▁Development ▁Study ▁is ▁a ▁project ▁created ▁in ▁ 1 9 8 6 ▁by ▁the ▁Min ist ries ▁of ▁Health ▁and ▁Education ▁in ▁Se ych elles , ▁in ▁co operation ▁with ▁the ▁University ▁of ▁Ro chester ▁and ▁the ▁University ▁of ▁Ul