No, but then their dekas are gone at the start of the war for attacking, and they need to request troops for their attack SC. If your squad could take out five or so players before the start, you could definitely slow them down at the start. Or better yet, just annoy them, lol.
...you are opening your last Elite Crate a few minutes before the Event week finishes, and even with other 9 POSSIBLE (and BETTER) REWARDS, you only get rewards for the worst unit of all -- especially if you were needing only 2 frags to unlock the KUBAZ!!!