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Have you ever wondered how we know when unidentified aircraft approach UK airspace?

This week's #PhoonFriday is looking at some of the smaller @RoyalAirForce units dotted around Scotland that directly support our Quick Reaction Alert mission.

#SupportingQRA 1/7
Did you know there are three Remote Radar Heads in Scotland?

📡 Benbecula, in the Outer Hebrides
📡 Saxa Vord, in the Shetlands
📡 Buchan, on the Aberdeenshire coast

#SupportingQRA 2/7
In simplistic terms, radars send energy into the skies.

If the energy hits an object in the air such as an aircraft, it 'bounces back'.

The positions of all objects in the air are then plotted automatically and fed back into an overall picture for the UK.

#SupportingQRA 3/7
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