Price per Hellfire missile: $68,000
Price per Predator: $4,000,000
Price per sortie: Defence analyst Francis Tusa and former Navy Sea Harrier commander Nigel "Sharkey" Ward have both estimated that such long-range sorties cost around £200,000 per aircraft per mission.
President Barack Obama has approved the use of armed Predator drone aircraft in Libya to improve the precision of low-level attacks on ground targets, Defense Secretary Robert Gates said Thursday.
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The first Predator mission since Obama's go-ahead was flown Thursday but the aircraft _ armed with Hellfire missiles _ turned back early due to poor weather conditions, Marine Gen. James Cartwright, vice chairman of the Joint Chiefs of Staff, said at a news conference with Gates.