They have been monitoring missiles , mustard gas . CNN reported earlier this year that Libya still has approximately 10 tons of the deadly blister agent left in its arsenal , according to an assessment from the Arms Control Association . Intelligence personnel have been in Libya to help protect sites , he says . About 100 tons of mustard gas continue to leak .
They have been monitoring missiles , mustard gas . Intelligence personnel have been in Libya to help protect sites , he says . About 100 tons of mustard gas continue to leak .