The trivia items below may give away important plot points.
The statue visited by Glen after his press conference is located at the Neue Wache (New Guardhouse) in Berlin. It is a enlarged version of Käthe Kollwitz "Pietà." Though the original was not sculpted for this purpose, it was placed as a memorial to all Victims of War and Dictatorship.
The scene in the war room where the Glen briefs his team about launching the operation on Kandahar/Helmand, before approaching Karzai for permission to execute, Foxy can be seen around the map table. Foxy is a television adviser for production in high risk situations. Featured in 'SAS: Who Dares Wins' - a military reality competition on ITV - he is a real special forces veteran with experience in Afghanistan whilst serving with the Royal Marines and the Special Boat Service.