▁remained ▁in ▁use ▁until ▁ 1 9 9 6 ▁when ▁the ▁last ▁Att ack ▁Squadron ▁completed ▁transition ▁to ▁the ▁F / A - 1 8 ▁Hor net ▁and ▁was ▁red es ign ated ▁a ▁St rike ▁F ighter ▁( V FA ) ▁squad ron . ▁The ▁V A ▁design ation ▁has ▁not ▁been ▁used ▁since ▁ 1 9 9 6 . ▁During ▁the ▁life ▁of ▁the ▁V A ▁design ation ▁there ▁were ▁three ▁different ▁periods ▁during ▁which ▁the ▁rules ▁gover ning ▁the ▁squad ron ▁design ation ▁system ▁differ ed ▁creating ▁three ▁separate ▁and ▁distinct ▁design ation ▁schemes ▁over ▁time . ▁These ▁three ▁different ▁design ation ▁scheme ▁periods ▁resulted ▁in ▁cases ▁where ▁a ▁single ▁squad ron ▁carried ▁multiple ▁design ations ▁during ▁its ▁existence , ▁and ▁in ▁the ▁occurrence ▁of ▁multiple ▁uses ▁of ▁the ▁same ▁design ation ▁for ▁un related ▁squad rons . ▁ ▁The ▁list ▁below ▁is ▁not ▁a ▁list ▁of ▁dis est ab lished ▁squad rons , ▁it ▁is ▁a ▁list ▁of ▁squad ron ▁design ations ▁which ▁are ▁no ▁longer ▁in ▁use . ▁In ▁many ▁cases ▁a ▁single ▁squad ron ▁carried ▁multiple ▁design ations ▁between ▁the ▁time ▁it ▁was ▁established ▁and ▁the ▁time ▁it ▁was ▁dis est ab lished , ▁therefore ▁in ▁many ▁cases ▁multiple ▁design ations ▁below ▁belonged ▁to ▁a ▁single ▁squad ron . ▁Most ▁of ▁the ▁squad ron ▁design ations ▁in ▁the ▁list ▁belonged ▁to ▁squad rons ▁which ▁have ▁been ▁dis est ab lished , ▁but ▁also ▁included ▁are ▁former ▁design ations ▁of ▁some ▁V FA ▁squad rons ▁which ▁are ▁still