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

2002

• Six FA-18D Hornets of Marine All-Weather Fighter Attack Squadron 121 (VMFA (AW)-121), “Green Hornets,” were the first U.S. aircraft to arrive at the coalition air base in Kyrgyzstan, a region that was once part of the Soviet Union. VMFA (AW)-121 participated in missions in support of Operation Enduring Freedom
• Start of Operation Ptarmigan in Afghanistan

2003

• Elements of 26th MEU(SOC) began to flow into northern Iraq to take control of Mosul, a large city liberated days earlier by Kurdish forces.

2005

• Start of Operation Vigilance in Afghanistan

2008

• Start of Operation Marne Piledriver in Iraq

Casualties on April 15:

• CRAIG, BRIAN THOMAS – April 15, 2002
• GALEWSKI, JUSTIN JOSEPH – April 15, 2002
• MAUGANS, JAMIE ODELL – April 15, 2002
• ROMERO, DANIEL AARON – April 15, 2002
• ARROYAVE, JIMMY JAVIER – April 15, 2004
• RAMIREZ, CHRISTOPHER – April 15, 2004
• RAMIREZ GONZALEZ, ALEINA – April 15, 2005
• COTHRAN, DERRICK JOSHUA – April 15, 2006
• MAYORGA, PABLO VINICIO – April 15, 2006
• MELCHER, MARK WILLIAM – April 15, 2006
• SIMS, JUSTIN DERAND – April 15, 2006
• WINSLOW, RYAN GEORGE – April 15, 2006
• WALBERG, STEVEN JOSEPH – April 15, 2007
• MERCARDANTE, LUKE JOHN – April 15, 2008
• WILKS, KYLE WESTON – April 15, 2008
• DEWATER, RICHARD ALLEN – April 15, 2009
• KENNEDY, JOSEPH ALAN – April 15, 2011
• FAUST, AARON MATTHEW – April 15, 2012
• NOWACZYK, DAVID PAUL – April 15, 2012
• DANYLUK, KERRY MICHAEL GEORGE – April 15, 2014
• MCDAVITT, NATHANIEL HENRY – April 15, 2016