By Nick Sommerlad Elite prison officers are to train a contractor’s staff how to force rejectedasylum-seekers on to planes bound for Rwanda. Government contractor Mitie, which runs immigration detention centres, is hiring “use of force instructors”. An advert says the £36,000-a-year roles would be near Bedford for nine months, then at Manston, Kent with travel to Heathrow and Gatwick. The Home Office has a short-term immigration detention centre at Manston. Three aeroplane fuselages delivered to Cardington Airfield near Bedford in November are thought to be for the training. Mitie’s instructor…