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

2006

• Operation Red Light II in Iraq

Casualties on March 31:

• JEFFRIES, WILLIAM ANDREW – March 31, 2003
• ROWE, BRANDON JACOB – March 31, 2003
• DAVIS, BRANDON LEE – March 31, 2004
• HUFSTEDLER, DOYLE MAURICE – March 31, 2004
• KARR, MICHAEL GREG JR – March 31, 2004
• MITCHELL, SEAN ROBERT – March 31, 2004
• RANEY, CLESTON CONAN – March 31, 2004
• MCNARY, ROBBIE DEAN – March 31, 2005
• BEISEL, JACOB WALTER – March 31, 2006
• FLORES, WILFRED JR – March 31, 2007
• SHANK, NEALE MORAN – March 31, 2007
• DHANOOLAL, DAYNE DARREN – March 31, 2008
• LANTIGUA, NELSON MANUEL – March 31, 2009
• POCHE, DEVIN CHRISTOPHER – March 31, 2009
• ZILBERMAN, MIROSLAV STEVEN – March 31, 2010
• POULIN, DENNIS CULLEN – March 31, 2011
• DUTTON, JAMES EVAN – March 31, 2012
• HELMS, IAN KELTAN – March 31, 2016