On board RAF Sentinel plane spying on Libya
Nato's mission to enforce a no-fly zone over Libya is continuing as opposition forces are still locked in battle with those loyal to Colonel Gaddafi.
As part of the effort, the RAF is flying reconnaissance missions over Libya with its Sentinel R1 spy plane.
The plane is a modified business jet which uses radar to create accurate real-time images of what is happening on the ground.
Wing Commander Richard Barrow gave BBC News a tour of the Sentinel R1 to show how it works.