This is a long and mostly boring video but skip forward to 20:20
This is what he said;
And in terms of the Maldives or the Falklands, whatever your preferred term, our position on this is that we are going to remain neutral. We have good relations with both Argentina and Great Britain, and we are looking forward to them being able to continue to dialogue on this issue. But this is not something that we typically intervene in
Without conflating Afghanistan and Iraq, conflicts in which we supported the US but had clear national interest (arguably I guess) could we count on the US to come off the fence if things get hotter at some point in the future?
Have a read of this link that describes Argentine/Brazilian defence cooperation and mentions specific programmes.