Home2013 Treaties and Agreements ...United Kingdom (13-930) – Agreement Concerning the Use of Wideawake Airfield on Ascension Island by Civil Aircraft Not Engaged in Scheduled International Air Services hide United Kingdom (13-930) – Agreement Concerning the Use of Wideawake Airfield on Ascension Island by Civil Aircraft Not Engaged in Scheduled International Air Services TIAS Office of Treaty Affairs September 30, 2013 Defense Agreement extending the agreement of October 1, 2003. Effected by exchange of notes at Washington September 27 and 30, 2013; entered into force September 30, 2013. Download attachment [451 KB] Tags International Law, Treaties, and Agreements Security and Defense United Kingdom