ITV News has been told that the squadrons have been working over-time and are having to cancel leave as they embark on back to back tours to Afghanistan and Libya.
The combination of stress and fatigue is potentially dangerous for those in charge of powerful fighter jets.
The causes of the crash are to be fully investigated in due course.
A vessel has gone out to the crash site to locate the wreckage ahead of a salvage operation.
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A national celebration of the life and legacy of Stephen Lawrence will take place on April 22 each year, the Prime Minister has announced.
Journalists and well-wishers are once again watching the entrance to the maternity wing of a hospital waiting for something to happen.
Cloud and some springtime sunshine