Four fire appliances from Telford and Wellington went to MoD Donnington after receiving reports at 4.40am today.
Rope equipment was used in the rescue.
An operations officer was in attendance.
The person was rescued by 5.30am.
Other incidents covered by brigade crews included a small diesel leak at Whitchurch Services off A41 which has been blamed on a loose pipe.
An engine based in the town attended the Esso which is operated by Euro Garages at about 10.50am on Friday. The crews left the scene shortly after 11.05am.