Home2022 Treaties and Agreements ...United Kingdom (22-1017) – Extension of Agreement Concerning the Use of Wideawake Airfield by Civil Aircraft hide United Kingdom (22-1017) – Extension of Agreement Concerning the Use of Wideawake Airfield by Civil Aircraft TIAS Office of Treaty Affairs April 19, 2022 Defense Effected by Exchange of Notes at Washington October 7 and 17, 2022; entered into force October 17, 2022. With effect from September 30, 2022. Extension of agreement of June 6, 2016: TIAS 16-606.1. Agreement previously extended September 28 and 29, 2021: TIAS 21-929. Download Agreement [674 KB] Tags Defense Treaties United Kingdom