How Would a No-Fly Zone on Libya Occur?
If there is a will to do something, it can usually be done. If there is any reluctance about doing anything, then, that creates an excuse or wall not to do it. That is the difference between success and failure.
The Libyan situation is the perfect example. A week ago, the rebels trying to topple Gadhafi, were well on their way and expressed needs of a No-fly Zone, because the rebels only have a few very old planes to fly. Gadhafi has a modern air force. Yet, America insisted of not going alone to impose it, talked about it, consulted about it. Now, the rebels are nearing their end as Gadhafis forces are near Benghazi. Finally, the discussions ended and it was voted to impose the No-fly Zone. Now, more time is needed, how?
Geez! Just start to do the frickin thing. The USS Enterprise carrier with 34 F-18F and 10 F-18C, a host of ECM aircraft is only days from the area. The Enterprise alone could demolish much of the Libyan Airforce with its Tomahawk cruise missiles (which is why Libya wants a ceasefire!). There are also many British and French combat aircraft based at Aviano AFB in Italy. Even in Tobruk, Libya, which is under rebel control, the British built AFB of Abdul el-Nasser stands ready for US or other aircraft. Gadhafi is nowhere near this base. It is one of Libya's main airbases the rebels seized. Egypt or Saudi Arabia could also fly some of its aircraft to this base and begin operations.
As to the SAM-2 missiles. These are Libya's long range surface to air missiles and are at least 40 or more years old. They are not dangerous because currently technology makes them near obsolete and cruise missiles can easily destroy them. Even Libya's other SAMs are not that dangerous because of their much shorter range and can be jammed without much issue. They are also at least 30 years old.
There is nothing stopping immediate action but the "will" to do it.