In addition to its use as a single instrument, the telescope is a key element of the UK's Multi-Element Radio-Linked Interferometer Network (Merlin) high-resolution radio-imaging array.
He said it was a "key element" in completing the motorway network and argued that the public inquiry reporter had not given enough weight to the positive aspects of the scheme.
"What we're trying to do militarily, of course, is defeat the terrorists, the network and the infrastructure that supports them, not particularly support any particular element, " Myers said.