Not clear losses in own rear ?!

[FLG]

Epo,

You are being "interdicted" by enemy air units. If your units are moving in "T-mode" during daylight/dawn/dusk hours there is a small percentage chance they will be attacked. The percentage chance is listed and can be viewed by hitting the F4 key. It depends upon the scenario and side. You can safely move units via "T-mode" during night turns, bad weather turns or if the enemy has no air units left.

Just a coupe more to add; Interdiction rates are halved at dawn/dusk and moving a deployed unit onto a unit in T-mode can cause an interdiction strike