He was Director of the National Security Agency (NSA) from 1999 to 2005. During his tenure as director, he initiated and oversaw the NSA surveillance of digital communications between persons in the United States and foreign citizens who allegedly had ties to terrorist groups, which resulted in the NSA warrantless surveillance controversy. On April 21, 2005, then Lt. Gen Hayden was confirmed by the United States Senate as the first Principal Deputy Director of National Intelligence (DNI) and awarded his fourth star, making him "the highest-ranking military intelligence officer in the armed forces".[3]
On May 26, 2006, Hayden was appointed as Director of the Central Intelligence Agency. He retired from the Air Force in April 2008, after 41 years of service, while continuing to serve as Director of the CIA until February 12, 2009.[4]
^ abAir Force Register(PDF). Washington, D.C.: U.S. Government Printing Office. January 1, 1979. p. 357.