the Libyan air forces; looks like it was sort-of planned that way.
There are no American supercarriers in the Mediterranean. None. A helicopter carrier and a support ship from the Fifth Fleet in Bahrain were deployed there last week. An Aegis cruiser and a guided missile destroyer arrived in the Eastern Med around March 1.
The UK just retired its carriers because of budget austerity. So, unless our EU allies allow American planes to attack Libya from their territory, a no-fly zone or other action is not an option.
Nor is the Med (and the Suez Canal) the only strategic choke-point which the Obama Administration has uncovered...