I'm probably missing something very basic here, but when I try to call the script with 7 vehicles in the array...
[["pos1","pos2","pos3","pos4","pos5"],[c1,c2,c3,c4,c5,c6,c7],true] execVM "convoyDefend\convoyDefend_init.sqf";
... I get all kinds of "Undefined variable" errors. Any ideas?