desert trying to fight against a complex air defense system now behind them. a system provided years ago by the soviets, nathman says don't count it out. >> but we're going to have to bring in big intelligence surveillance and reconnaissance aircraft. those will probably have to come out of afghanistan or iraq. we'll have to bring in electronic aircraft, either stripping them from aircraft carriers in other theaters like korea. or the persian gulf. those are very important areas right now in terms of stability for the united states. and maybe strategicalically mor important to what's happen npg the country of libya itself. >> and there may be other problems. >> how do you decide at night that that helicopter is a libyan military helicopter carrying out operations against the rebels, or is it a civilian helicopter providing resupply to the oil platforms? >> and in the end, what would really be accomplished by a