the 15th operational weather squadron, scott afb, ill., was the first ows to align under the newly formed 1st wxg during a ceremony 25 may 2006. the 26th ows was realigned at barksdale afb, 22 june 2006. next was the 25th ows at davis-monthan afb on 6 july 2006, and the last 2006 addition to the team was the 9th ows which was re-activated on 20 july 2006 at shaw afb. the 9th ows was subsequently inactivated on 31 may 2008. when the air force weather agency became the 557th weather wing in march 2015, three more owss aligned under 1st wxg: the 17th ows at joint base pearl harbor-hickam; the 21st ows at kapaun air station, germany; and the 28th ows at shaw afb.