Britain's New ***** -- This official British picture is the first to be released of the new British Avro A698 -the World's first four-jet delta-wing bomber. Security restrictions on the plane were lifted tonight August 30 after the plane made its Maiden flight at Woodford aerodrome, Cheshire. The jet bomber has a speed approaching that of sound, can carry a very large bomb load over great distances, and is, designed to fly at altitudes which, will give it a great degree of immunity from ground