Portable oxygen concentrators. Generally, the Federal Aviation Administration (FAA) prohibits the use of personal oxygen units during flights because they contain compressed gas or liquid oxygen that is defined as hazardous material. However, the FAA has issued guidelines permitting the onboard use of certain portable oxygen concentrators (POCs). POCs approved by the FAA may be carried and used on board United flights worldwide at no charge, in accordance with FAA regulations.
Ronald Reagan (1911-2004), a former actor and California governor, served as the 40th U.S. president from 1981 to 1989. Raised in small-town Illinois, he became a Hollywood actor in his 20s and later served as the Republican governor of California from 1967 to 1975.
The presidency of Ronald Reagan began at noon EST on January 20, 1981, when Ronald Reagan was inaugurated as 40th President of the United States, and ended on January 20, 1989. Reagan, a Republican, took office following a landslide victory over Democratic incumbent President Jimmy Carter in the 1980 presidential election. Reagan was succeeded by his Vice President, George H. W. Bush, who won the 1988 presidential election with Reagan's support. Reagan's election resulted from a dramatic conserv