The following are events related to the Global War On Terrorism (GWOT) that took place on this day.

2007

• Operation Viking Clampdown III in Iraq
• Operation Arizona in Iraq

2010

• Start of Operation Dragon Strike in Afghanistan

Casualties on September 15:

• KIMMERLY, KEVIN CHRISTOPHER – September 15, 2003
• BROWN, TYLER HALL – September 15, 2004
• UHLES, DREW MICHAEL – September 15, 2004
• SILVA, ALFREDO BARAJAS – September 15, 2005
• SWANBERG, SHANE CLANIN – September 15, 2005
• DEGHAND, BERNARD LEE – September 15, 2006
• GRANADOS, CESAR ADRIAN – September 15, 2006
• ALLEN, TERRENCE PATRICK – September 15, 2007
• THORSEN, BRANDON TYLER – September 15, 2007
• VOID, DEMETRIUS LAMAR – September 15, 2009
• HANSEN, JAMES ARTHUR – September 15, 2010
• DUTCHER, MICHAEL JOSEPH – September 15, 2011
• PRINCE, MYCAL LEE – September 15, 2011
• ATWELL, BRADLEY WAYNE – September 15, 2012
• RAIBLE, CHRISTOPHER KEITH – September 15, 2012
• STRONG, CHARLES CALVIN – September 15, 2014