That's a platoon's worth of tanks or half a company.

With the losses in the battle yesterday while taking Benghazi and from the attacks last night it's very possible the regime force has simply run out of tanks in the eastern half of Libya.

I can only guess but if the tanks are gone the GRAD mobile rocket platforms and any self-propelled artillery have been captured/destroyed as well.

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre