ized ▁in ▁the ▁National ▁Trans itional ▁Council , ▁had ▁declared ▁Lib ya ▁liber ated ▁on ▁ 2 3 ▁October . ▁ ▁The ▁operation ▁began ▁with ▁a ▁naval ▁arms ▁embargo , ▁while ▁command ▁of ▁the ▁no - fly ▁zone ▁and ▁the ▁air ▁strik es ▁against ▁Lib yan ▁Ar med ▁Forces ▁remained ▁under ▁command ▁of ▁the ▁international ▁coal ition , ▁led ▁by ▁France , ▁the ▁United ▁Kingdom ▁and ▁the ▁United ▁States , ▁due ▁to ▁lack ▁of ▁cons ensus ▁between ▁NAT O ▁members . ▁On ▁ 2 4 ▁March ▁NAT O ▁decided ▁to ▁take ▁control ▁of ▁the ▁no - fly ▁zone ▁enfor cement , ▁by ▁integr ating ▁the ▁air ▁assets ▁of ▁the ▁international ▁coal ition ▁under ▁NAT O ▁command , ▁although ▁the ▁command ▁of ▁air ▁strik es ▁on ▁ground ▁targets ▁remained ▁under ▁national ▁authority . ▁A ▁few ▁days ▁later , ▁on ▁ 2 7 ▁March ▁NAT O ▁decided ▁to ▁implement ▁all ▁military ▁aspects ▁of ▁the ▁UN ▁resolution ▁and ▁formal ▁transfer ▁of ▁command ▁occurred ▁at ▁ 0 6 : 0 0 ▁G MT ▁on ▁ 3 1 ▁March ▁ 2 0 1 1 , ▁formally ▁ending ▁the ▁national ▁operations ▁such ▁as ▁the ▁U . S .- co ordin ated ▁Operation ▁Od ys sey ▁Da wn . ▁ ▁The ▁arms ▁embargo ▁was ▁initially ▁carried ▁out ▁using ▁mainly ▁ships ▁from ▁NAT O ' s ▁Stand ing ▁Mar itime ▁Group ▁ 1 ▁and ▁Stand ing ▁Mine ▁C ounter me asures ▁Group ▁ 1 ▁already ▁pat rolling ▁the ▁Mediter rane an ▁Sea ▁at ▁the ▁time ▁of ▁the ▁resolution , ▁enfor ced