protect itself. less than a week ago nato reported that at least one of those missile systems was operational and ready to go. trace gallagher live with an update for us. trace, the u.s. sending weapons to turkey tends to generate, well, resistance. reporter: as we saw here, shep, along with those pa patrit missiles, the u.s. sent 400 troops to help man the missiles. since the syrian civil war began, the u.s. and turkey s relationship has gotten even closer. turkey has long been a recipient of u.s. arms. in the past 60 years, we ve given turkey nearly if $15 biln in arms and military aid. to expound on what you and amy colorado log were talkinkellogge group thought to be behind this has gotten smaller over the years but experts say they re very active, very anti-u.s. listen. it opposes the u.s. presence in turkey. it has always opposed the u.s.