PLEASE post:
1) The version of Long War you are playing.
1.2
2) The platform you are playing on.
PC
3) What other XCOM2 mods you are playing with.
bunch of customization mods
bunch of voice mods
flawless/lifetimestats/flank/overwatch others/perfect information/evac all
4) The circumstances of the bug or precise steps to produce it.
don't know what to say, one turn it was there, the other one was just gone, found him inside the cliff
5) Whether you are able to offer a savegame for us to look at.
definetly.
Still, uhm...what can i do about this, other than restarting the mission?
I would prefer not to restart the mission...
Here's a picture. hope it works.
http://imgur.com/jHwChnc