This is made possible by an active articulated torsional drive unit, which in combination with a complex control system attains an unprecedented level of efficiency in flight operation.
According to the MoD, the site would need extensive refurbishment if it was to remain in operation and it has identified "greater efficiency" in relocating.
But as a direct-mail-dependent operation that raises its money mostly from small donors, we could only increase our efficiency percentage by limiting our mailings to the most productive mailing lists.