United accepts one carbon dioxide (CO2) powered inflatable life jacket as checked or carry-on baggage. CO2 cartridges must be packed in checked baggage. Life jacket restrictions: Up to two small non-flammable gas cylinders fitted into the life jacket and up to two small spare cartridges will be accepted.
Benjamin Henry Grierson was a music teacher, then a career officer in the United States Army. He was a cavalry general in the volunteer Union Army during the Civil War and later led troops in the American Old West. He is most noted for an 1863 expedition through Confederate-held territory that severed enemy communication lines between Vicksburg, Mississippi and Confederate commanders in the Eastern Theater. After the war he organized and led the Buffalo Soldiers of the 10th Cavalry Regiment from
Guion Stewart Bluford Jr., Ph.D.,, is an American aerospace engineer, retired U.S. Air Force officer and fighter pilot, and former NASA astronaut, who was the first African American in space. Before becoming an astronaut, he was an officer in the U.S. Air Force, where he remained while assigned to NASA, rising to the rank of Colonel. He participated in four Space Shuttle flights between 1983 and 1992. In 1983, as a member of the crew of the Orbiter Challenger on the mission STS-8, he became the