Former Navy SEAL Daniel W. Swift passed away in Ukraine on Wednesday, a Navy official confirmed to NBC News on Friday.
Swift had been in an active desertion status since March 11, 2019, per the Navy Absentee Collection and Information Center.
The center claimed that it had no idea why Swift was in the nation in Eastern Europe that has been at war with Russia for a year.
Swift was a special warfare operator 1st Class and enlisted in the Navy on June 28, 2005.
His service record shows that he received numerous medals and awards including the Legion of Merit, the Navy/Marine Corps Commendation Medal and the National Defense Service Medal.
Swift is the sixth American known to have died fighting in Ukraine, according to State Department statements and reports from individual families.