HC Deb 22 January 1971 vol 809 c369W
Mr. Leslie Huckfield

asked the Secretary of State for Trade and Industry what is the total amount of public expenditure so far on Linesman Mediator; and what are the principal companies involved.

Mr. Anthony Grant

The Linesman air defence system is the responsibility of my right hon. Friend the Secretary of State for Defence. So far £20 million has been committed on the Mediator air traffic control system, the principal companies involved being Plessey, Marconi and Cossor.