Home2016 Treaties and Agreements ...United Kingdom (16-606.1) – Defense Agreement Concerning the Use of Facilities by Civil Aircraft hide United Kingdom (16-606.1) – Defense Agreement Concerning the Use of Facilities by Civil Aircraft TIAS Office of Treaty Affairs June 6, 2016 Defense: Facilities Agreement effected by exchange of notes at Washington June 6, 2016; entered into force June 6, 2016; with effect from September 30, 2014. With attachment and annex. Download attachment [855 KB] Tags Defense Treaties United Kingdom