Somemovementsinvolvingprimarilyverticalorhorizontalmotionsof the body as a whole, in whichrotationscan be ignored, can be studiedusingsimpleequations of linearmotioninthreedimensions.
Really what we did here today was simply to reconfirm what Prime Minister Tusk and I have discussed before, which is that NATO is the strongest alliance in history, primarily because it has a very simple principle, and that is we defend each other.