The first 10 days of Operation Odyssey Dawn, the multinational effort to stop Libyan strongman Muammar Qaddafi from attacking rebels, cost U.S. taxpayers at least $550 million, according to data compiled by Bloomberg. Here's a rundown of the cost of launching Tomahawk cruise missiles from ships and submarines in the Mediterranean Sea, and bombing Libya's air defense system, tanks, and weapons depots.

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The first 10 days of Operation Odyssey Dawn, the multinational effort to stop Libyan strongman Muammar Qaddafi from attacking rebels, cost U.S. taxpayers at least $550 million, according to data compiled by Bloomberg. Here's a rundown of the cost of launching Tomahawk cruise missiles from ships and submarines in the Mediterranean Sea, and bombing Libya's air defense system, tanks, and weapons depots.

Defense Department

The Cost of a No-Fly Zone

The Cost of a No-Fly Zone
The Cost of a No-Fly Zone

The first 10 days of Operation Odyssey Dawn, the multinational effort to stop Libyan strongman Muammar Qaddafi from attacking rebels, cost U.S. taxpayers at least $550 million, according to data compiled by Bloomberg. Here's a rundown of the cost of launching Tomahawk cruise missiles from ships and submarines in the Mediterranean Sea, and bombing Libya's air defense system, tanks, and weapons depots.

Defense Department
Northrop Grumman B-2 Bomber
Northrop Grumman B-2 Bomber

3 radar-evading Northrop Grumman B-2 bombers, costing about $88,000 per flight hour, flew roundtrip from Missouri’s Whiteman Air Force Base to Libya without landing. One mission takes about 30 hours.

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Raytheon Tomahawk Cruise Missle
Raytheon Tomahawk Cruise Missle

192 Raytheon Tomahawk cruise missiles were launched, at a cost of $1.5m apiece.

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Boeing KC-135 Fueling Tanker
Boeing KC-135 Fueling Tanker

Bombers and fighter jets relied on four Boeing KC-135 aerial refueling tankers, which cost $11,673 per hour to operate.

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Boeing JDAM Guided Missle
Boeing JDAM Guided Missle

The B-2 bombers dropped 45 Boeing-made, 2,000-pound, satellite-guided JDAMs. One costs about $61,000, including the guidance system and the BLU-109 bomb it guides.

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Lockheed Martin's & Boeing's AC-130 Gunship
Lockheed Martin's & Boeing's AC-130 Gunship

Gunships used to attack tanks or troops from the air. The operating cost per hour: $12,899

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Fairchild Republics A-10 Gunship
Fairchild Republics A-10 Gunship

The operating cost per hour: $8,946

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Boeing F-15E Fighter Jet
Boeing F-15E Fighter Jet

The per-hour cost of operating the F-15E: $20,516

A malfunction caused an F-15E to crash on Mar. 21. Replacing it will cost $79m.

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Lockheed Martin's F-16CJ Jet
Lockheed Martin's F-16CJ Jet

The per-hour cost of operating the F-16CJ: $9,366

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Boeing AV-8B
Boeing AV-8B

The per-hour cost of operating the AV-8B Harrier aircraft: $11,134

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Boeing EA-18G
Boeing EA-18G

The per-hour cost of operating the EA-18G Growler electronic-jamming jet: $10,662

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USS Providence
USS Providence

At a total cost of $27.9m, the U.S. Navy had several ships in the Mediterranean, including three submarines and two destroyers.

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USS Scranton
USS Scranton

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USS Florida
USS Florida

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USS Stout
USS Stout

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USS Barry
USS Barry

Defense Department