An RAF signals intelligence aircraft has been deployed over the Black Sea to monitor the movements of the Russian military across the region. The operation, conducted under the watchful eye of NATO and Russian air defence units, comes as the war in Ukraine shows no signs of abating in the near future. The plane being used is an RC-135W Rivet Joint, a modified Boeing aircraft, considered to be one of the most technologically sophisticated in the world. Equipped with an array of sensors, its sensors ‘soak up’ electronic emissions from communications, radar and other systems to build a picture of...