The commitment aims to establish deterrence mechanisms that the failed 1994 Budapest Memorandum couldn't provide, though questions remain about whether theu can contain Putin's territorial ambitions.
As NATO takes the helm of Western military coordination for Ukraine from US leadership, questions linger about whether this institutional reshuffle can shield crucial military support from potential political headwinds.
The Biden administration and NATO officials came up with the idea as a way to give something solid to Kyiv at the summit even as they maintain the time is not right for Ukraine to join.