19 March 2011 - BBC News reported at 16:00 GMT that the
French Air Force had sent 19 fighter planes over an area 100 km by 150 km (60 by 100 miles) over Benghazi to prevent any attacks on the rebel-controlled city.<101> "Our air force will oppose any aggression by Colonel Gaddafi against the population of Benghazi", said French President Nicolas Sarkozy.<102> BBC News reported at 16:59 GMT that at 16:45 GMT a French warplane had fired at and destroyed a Libyan military vehicle - this being confirmed by French defence ministry spokesman Laurent Teisseire.<101>
According to Al-Jazeera,
French aircraft destroyed four Libyan tanks in air strikes to the south-west of Benghazi.<12> The French military claimed that their aircraft had also flown reconnaissance missions over "all Libyan territory". On the same day, British Prime Minister David Cameron confirmed that Royal Air Force jets were also in action and reports suggested that the U.S. Navy had fired the first cruise missile. CBS News' David Martin reported that three B-2 stealth bombers flew non-stop from the United States to drop 40 bombs on a major Libyan airfield. Martin further reported that U.S. fighter jets were searching for Libyan ground forces to attack.
The Pentagon and the British Ministry of Defence confirmed that,
jointly, HMS Triumph and U.S. Navy ships (including USS Barry, pictured) and submarines fired more than 110 Tomahawk cruise missiles, (we know only 12 were UK missiles) supported with air attacks on military installations, both inland and on the coast.<103><104>
Initially, the U.S. element of the operation was under command of United States Africa Command commanded by General Carter Ham.<105> Tactical command of the operation was executed from USS Mount Whitney in the Mediterranean Sea under command of Admiral Sam Locklear, commander United States Naval Forces Europe.<105> United States Secretary of Defense Robert Gates indicated that control of the operation would be transferred to French and British authorities, or NATO, within days.<106>
Regime Forces attacked south of Benghazi
20 March 2011 -
Several Storm Shadow missiles were launched by British jets.<107> Nineteen U.S. warplanes also conducted strike operations in Libya. The warplanes included Marine Corps AV-8B Harriers,<108> Air Force B-2 stealth bombers, and F-15 and F-16 fighter jets.<109> A military convoy was destroyed near Benghazi in eastern Libya by multiple air strikes. Seventy military vehicles are known to have been destroyed along with multiple Libyan government ground troop casualties.<109>
Four Danish F-16 fighters left Italy's Sigonella air base for a successful five-hour long "high risk mission",<110> and three Italian Tornados ECR<15> took off from the Trapani base,<111> which suggested that they accompanied attack(s) against high risk targets such as air defence systems.<15> A second immediate ceasefire was declared by the Libyan Army on 20 March, starting at 9pm.<112>
21 March 2011 - SA-2, SA-3 and SA-5 air defence systems in Libya have been taken out. Only SA-6, hand held SA-7s and SA-8 mobile SAMs remained a possible threat to aircraft.<113> A spokesman for the National Transitional Council said Gaddafi's forces were using human shields in defence of their military assets, bringing civilians to Misurata to surround their vehicles and troops to deter airstrikes.<114>
Among the buildings hit on late 20 March and early 21 March were parts of the Bab al-Azizia compound often used by Colonel Gaddafi.<95> Further strikes on Tripoli and, according to Libyan government spokesmen, Sabha and Sirt, took place on late 21 March.<95>
22 March 2011 - During a mission over Libya, a US F-15E crashed in rebel-held territory. It was reported that the aircraft, based at RAF Lakenheath in England, came down due to a mechanical fault, and that both crewmen had been rescued,<116><117><95> but there are unconfirmed reports that six local villagers were injured by gunfire from the rescuing US forces.<117><118> The American military has denied these reports. There are claims that the pilot called in a bomb strike by Harrier jump jets, possibly injuring the civilians.<119> The U.S. announced that Qatari forces would join the operation by the weekend.<120>
23 March 2011 - Coalition aircraft flew at least two bombing missions against loyalist forces near the besieged city of Misrata.<121>NATO announced it is providing support to enforce the arms embargo.<122><123[br />
http://en.wikipedia.org/wiki/2011_military_intervention_in_Libya
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From wikipedia. Clearly, the US is doing the most work out of all of the allies. This isn't even a point up for debate, no matter how hard you try to make it so.