israeli defense minister ehud barak warned Warning that the incident Attack should be a `` wake up call '' for egypt in dealing Resolve_problem with terrorists Terrorism in the sinai peninsula , while egyptian president mohamed morsi vowed Commitment to retake Conquering the sinai peninsula and declared Expressing_publicly three days of mourning Social_event .

israeli defense minister ehud barak warned Warning that the incident Attack should be a `` wake up call '' for egypt in dealing Resolve_problem with terrorists Terrorism in the sinai peninsula , while egyptian president mohamed morsi vowed Commitment to retake Conquering the sinai peninsula and declared Expressing_publicly three days of mourning Social_event .

in his first meeting with a middle east nation since his confirmation as defense secretary , mark esper met with egypt 's minister of defense mohammad zaki and pressed Self_motion him to use Using unk tactics in the effort in the sinai peninsula .

the fight Hostile_encounter in the sinai forms part of the classified irregular warfare annex to the national defense Defending strategy , which calls on the department of defense Defending to use Using foreign internal defense principles , advise Convincing and assist tactics , and influence operations .

israel seized Hold the gaza strip and the sinai peninsula from egypt , the west bank from jordan , including east jerusalem , and the golan heights from syria .