§ Sir Patrick Wallasked the Secretary of State for Defence (1) how many alleged landings by unidentified flying objects have been made in 1980, 1981, 1982 and 1983, respectively; and how many have been investigated by his Department's personnel;
(2) how many unexplained sightings there have been in 1980, 1981, 1982 and 1983, respectively; and which of these had been traced by radar and with what result.