 The refit included a secure satellite communications system, missile detection, conference facilities, a changing room, 58 business class seats and 100 economy seats.The aircraft, serial "ZZ336", retained the standard Royal Air Force livery and continued its primary military duties when not in use by the government.Its first use as a VIP transport was on 8 July 2016, when it was used to take government ministers from London Heathrow airport to the 2016 NATO conference in Warsaw, Poland.