E-3 Sentry over London today.
http://www.itv.com/news/update/2012-...-libya-troops/
As part of Op Ellamy (Libya) homecoming, 1 Sentry E3D, 2 Typhoons, 1 Sentinel & 2 Tornado GR4s will fly S-N over Parliament at 1745.
From
https://twitter.com/#!/DefenceHQ