Air Force military members and civilians who have served 30 consecutive or accumulated days in any of four NATO operations may be eligible for a NATO medal. The missions are Operation Eagle Assist in the United States between Oct. 12, 2001, and May 16, 2002; Operation Active Endeavor in the Mediterranean Sea that began Oct. 26, 2001; the International Security Force (ISAF) mission in the Balkans, which began Jan. 1, 2003, including Bosnia-Herzegovina, the former Republic of Yugoslavia (including Kosovo), Croatia, Macedonia and Albania; and the ISAF mission in Afghanistan which began June 1, 2003. The duty must be listed on a Combined Joint Statement of Requirements, and the individual must have a source document such as a NATO certificate, according to the Air Force Personnel Center. The 30-day requirement will be waived for individuals who were wounded or injured during the operation and had to be evacuated.