PhotogaleriesEC-135C gallery 2018-05-072020-03-23 Javier At least eleven of the EC-135Cs in service were entirely new KC-135B built as aerial refueling tankers conversions. In other words, none of the KC-135B had entered service as a tanker. They began their essential service in 1963 and were able to send orders to the intercontinental missile bases to ensure an answer and destroy the enemies if they dared to attack first. Twenty people make up the support of the Airborne Emergency Action Officer, responsible for making decisions in the event of a nuclear attack. In addition, the aircraft also had a crew of twelve members. The “Looking Glass” surveillance and air control missions, have their own control center in the Offutt AFB, Nebraska. In addition, there are several support wings for aerial refueling.