On September 22, 2006, The Boeing Company delivered the first EA-18G Growler airborne electronic attack (AEA) aircraft to the U.S. Navy test site at Naval Air Station Patuxent River, MD. The first EA-18G, known as aircraft EA-1, made the two-hour flight from St. Louis to Maryland with U.S. Navy pilot Lt. Matt Doyle and weapons system operator U.S. Navy Cmdr. Jamie Engdahl on board. EA-1 is the first of two test aircraft built. In addition to flight testing, EA-1 was scheduled to undergo extensive ground testing in the Patuxent River anechoic chamber to assess on-board radar, receiver and jammer compatibility and performance.