I agree that in this decade the invasion was unexpected. I couldn't believe it either until I read up on the history of the region.
In the 2000s, many nations (including Ukraine!) supported the second Iraq war that was motivated by the known false accusation of WMD presence in Iraq:
In the 2000s, many nations (including Ukraine!) supported the second Iraq war that was motivated by the known false accusation of WMD presence in Iraq:
https://en.wikipedia.org/wiki/Coalition_of_the_willing