I am not sure one should be allowed to send troops of any kind to other players.
If at all one should ONLY be allowed to send troops to people in one's ow Alliance.
I am noticing that some of the more attacking players who are not that high ranked are losing troops but seem to be able rebuild and get 1000+ troops in next to no time.
The only way this can be possible is if a high ranked player is seding them troops to replinish what they have lost.