Brig.-Gen. Tal Kelman, IAF Chief of Staff, also warns of regional states "buying up hundreds of billions of dollars of advanced arms" in unstable region.
MPR 1000 and 2000 bombs undergoing trials, can pierce through reinforced concrete to target terrorist bunkers.
The naval commander listed a number of maritime threats with which Israel must contend, ranging from Hezbollah and Syria in the north to ISIS and Hamas in the south.
Problem discovered when upgraded version missed target.