on ▁paper ", ▁await ing ▁possible ▁future ▁" re - activ ation ". ▁Its ▁last ▁held ▁design ation ▁along ▁with ▁all ▁former ▁design ations ▁are ▁not ▁available ▁to ▁be ▁used ▁for ▁a ▁newly ▁established ▁squad ron , ▁and ▁should ▁a ▁de activ ated ▁squad ron ▁ever ▁be ▁re - activ ated ▁its ▁line age ▁would ▁res ume ▁and ▁trace ▁back ▁past ▁the ▁re - activ ation ▁date ▁all ▁the ▁way ▁back ▁to ▁the ▁squad ron ' s ▁original ▁establishment ▁date ▁and ▁would ▁include ▁the ▁entire ▁period ▁during ▁which ▁it ▁was ▁in ▁the ▁in active ▁status . ▁The ▁current ▁update ▁of ▁OP NA V INST ▁ 3 0 5 0 . 4 ▁contains ▁a ▁list ▁of ▁all ▁currently ▁active ▁and ▁de activ ated ▁US ▁Navy ▁aircraft ▁squad rons . ▁The ▁rules ▁gover ning ▁re - design ation ▁of ▁squad rons ▁have ▁not ▁changed , ▁squad rons ▁can ▁still ▁be ▁re - design ated ▁without ▁any ▁impact ▁on ▁their ▁history ▁or ▁line age . ▁ ▁Squad rons ▁that ▁have ▁not ▁been ▁dis est ab lished ▁or ▁de activ ated ▁are ▁in ▁the ▁List ▁of ▁United ▁States ▁Navy ▁aircraft ▁squad rons . ▁ ▁The ▁tables ▁below ▁are ▁organized ▁by ▁squad ron ▁design ation , ▁therefore ; ▁in ▁many ▁cases ▁a ▁squad ron ▁will ▁be ▁listed ▁multiple ▁times ▁under ▁each ▁of ▁the ▁squad ron ' s ▁various ▁design ations ▁either ▁in ▁a ▁single ▁table ▁or ▁across ▁multiple ▁tables . ▁The ▁tables ▁are ▁ordered ▁by ▁time ▁period , ▁design ations ▁are ▁listed ▁in ▁the ▁period ▁during ▁which ▁they