So how did the missile get there and where did it come from? Thanks to a shaky system of international arms-sale monitoring, its hard to say.

所以现在的问题是，这些导弹是怎么到达利比亚的呢？这些导弹又是从哪里运送过来的呢？由于国际武器销售监管系统的差池，这就难说了。