Called upon by whom?
Notice what it says on this guys uniform.
New York Times
"JERUSALEM, Aug. 6 â€" On Dec. 26, 2003, a powerful earthquake leveled most of Bam, in southeastern Iran, killing 35,000 people. Transport planes carrying aid poured in from everywhere, including Syria.
According to Israeli military intelligence, the planes returned to Syria carrying sophisticated weapons, including long-range Zelzal missiles, which the Syrians passed on to Hezbollah, the Shiite militia group in southern Lebanon that Iran created and sponsors...."