Clindamycin is also an alternative antibiotic if you are allergic to penicillin. Tooth abscess antibiotics are also used in other areas of general medicine. They just happen to be particularly effective against the bacteria that commonly cause dental infections.
STS-1 Launch. NASA's first Space Shuttle, with an Orbiter named Columbia (Orbiter Vehicle 102), was finally ready for launch on April 10, 1981. The Commander was John Young, the most experienced astronaut, and the Pilot was Robert L. Crippen.
NASA astronaut Eileen Collins was the first woman to command a space shuttle mission, a role that required an astronaut to have at least 1,000 hours of experience piloting jet aircraft. Collins commanded the STS-93 space shuttle mission in July 1999, and went on to command a second time in July 2005.