In September 2006, Metzger was serving with the 376th Air Expeditionary Wing stationed at Manas Air Base, a U.S. military facility that has been located at Manas International Airport. Kyrgyzstan, since 2001, supporting Operation Enduring Freedom's operations in Afghanistan.
In September 2006, Metzger was serving at Manas Air Base, a U.S. military facility that has been situated at Manas International Airport in Kyrgyzstan since 2001, supporting Operation Enduring Freedom's operations in Afghanistan.