אור הלר החל את דרכו ב-1995 בגלי צה"ל ככתב צבאי וכתב משטרה ומשפט בתל אביב. לאחר השחרור הצטרף ל"מעריב" ככתב משפטי. ב-2002, הצטרף חדשות 10 ובסוף 2004 מונה לשליח חדשות 10 ו"מעריב" בפריז. מאז 2008 הלר הוא הכתב הצבאי של חדשות 10,
It is one of the most anonymous units in the IDF, but those serving in it operate along Israel's "hottest" fronts – the Gaza Strip, Lebanon, and Syria. The Kometz Unit is responsible for all of Israel's border fences. "The availability of the forces and the promptness of the alert and malfunction reports are extremely critical"
"We will turn the tunnels into a death trap," says the IDF's GOC Southern Command, as newly revealed intelligence shows Hamas is in the midst of digging two tunnels in residential areas in northern Gaza
State Comptroller severely criticizes the Israeli defense establishment's response to the tunnel threat. "With regard to the technological effort, as with the intelligence effort and the force build-up and employment effort, the response was slow and ineffective"
The warfighters of the YALTAM (IDF Navy's Underwater Mission Unit) maneuver along Israel's maritime borders and prevent underwater intrusion along the shores of the Gaza Strip. Meet the warfighters of the deep
Israeli Minister of Defense Avigdor Lieberman has announced a 400 million ILS plan for the Judea & Samaria District to be implemented over the next two years. Its objective – to provide security to the Jewish and Palestinian inhabitants