U.S. Marine Corps Lt. Col. David Sosa and Jordanian army Lt. Sol. Saif study a map of a training area in Jabal, Petra, Jordan, May 15, 2012, to prepare for Exercise Eager Lion 2012. Sosal is the commanding officer of 1st Battalion, 2nd Marine Regiment, 24th Marine Expeditionary Unit, and Saif is the commander of Jordan's 4th Tank Battalion.