 Complete the following phrase:  That this many remained despite a concerted effort by the CAB to put them out of business was due entirely to the Cold War. In times of national emergency the non-skeds undertook scores of cargo and passenger contracts from the military, fulfilling an essential service to the country while sustaining their enterprises. Seaboard  Western, Transocean, and Slick Airways notably aided the US Air Force in performing the Berlin Airlift in 19481949. The non-skeds transported supplies across the country and the Atlantic Ocean to Rhein-Main Air Base, where the Air Force and Navys combined fleet of C-54s was continuously engaged in airdropping necessary commodities into West Berlin. And again once the United Nations approved a 