Rear view of a Avro Vulcan B.2 Bomber.
The Vulcan bombers were carrying British nuclear bombs during the Cold War.
With a mileage of about 0.5 Miles per gallon (or 10,000 lbs of fuel per hour), it was not very fuel efficient.
For more information bout the Vulcan, read en.wikipedia.org/wiki/Avro_Vulcan
Photo taken at the Castle Air Museum in the now decommissioned Castle Air Force Base.