Megan Cooper is a Captain in the United States Air Force serving aboard the Daedalus.
When Atlantis discovered the Ancient ship Aurora, she piloted the Daedalus to transport Lt. Colonel John Sheppard's team to its location. (SGA: "Aurora")
A short time later, she piloted the Daedalus during the Battle of Edowin. (SGA: "The Hive")
During one of the Daedalus's return flight to Earth, she was piloting when they received a message from Stargate Command that The Trust had planted a bomb in Atlantis. (SGA: "Critical Mass")