EXPERT COMMENT
Attention will now turn to scrutinizing how Ukraine deploys the US weapons.
On 7 July, days before the NATO summit in Vilnius, the US announced that it would supply Ukraine with cluster munitions - until it can ramp up production of other types of ammunition.
It is a controversial decision which is at odds with the views of NATO allies that have foresworn the possession and use of the weapons under the 2008 Convention on Cluster Munitions.
The Biden administration said it had received assurances from Ukraine that the munitions will not be used in areas populated by civilians, that Ukraine will keep records and maps of where they are used, and that it will conduct a post-war clean-up.
However, there are significant humanitarian concerns with the use of cluster bombs, and the US-Ukraine decision sends the wrong message to the wider world - particularly to states that are not yet parties to the 2008 Convention.
Click here to continue reading the full version of this Expert Comment on the Chatham House website.