The government under Prime Minister James Callaghan delayed the delivery of the aircraft, along with vessels and submarines also on order; the trade unions took action to block delivery of refurbished Hunter engines at the East Kilbride plant until October 1978.
Den britiske regering, under ledelse af premierminister James Callaghan forsinkede leverancen af flyene, sammen med leverancer af skibe og ubåde; fagforeningerne gik i aktion og blokerede leverancen af de renoverede jetmotorer fra fabrikken i East Kilbride indtil Oktober 1978.