Zaire to have replaced "Zaire" gradually in English usage during the 18th century, and "Congo" is the preferred English name in 19th-century literature, although references to "Zahir" or "Zaire" as the name used by the natives (i.e. derived from Portuguese usage) remained common. In 1965, as in 1960, the division of power in Congo-Léopoldville between President and Parliament led to a stalemate and threatened the country's stability. Joseph-Désiré Mobutu again seized power. Unlike the first time, however, Mobutu assumed the presidency, rather than remaining behind the scenes. From 1965, Mobutu dominated the political life of the country, restructuring the state on
27th Tactical Air Support Squadron The 27th Air Refueling Squadron was activated at Bergstrom Air Force Base, Texas, in October 1953 and assigned to the 27th Strategic Fighter Wing. The mission of the unit was to provide global refueling for the Strategic Air Command (SAC) 27th and 12th Strategic Fighter Wings at Bergstrom and other USAF units as directed. The unit was inactivated in 1957 shortly after SAC transferred its fighters to Tactical Air Command and a SAC refueling unit was no longer required to support them. The 27th Tactical Air Support Squadron was activated at Davis-Monthan Air Force Base, Arizona in July 1977, but