Screaming Eagle and Damn Proud of it!!!
When forced to retreat through an enemy ZOC, which happens to contain a friendly unit, is disruption still increased per rule 6G2?
"A unit should not retreat into or through an enemy zone of control if possible. A unit suffers one disruption for each such hex entered during the retreat"
I've always played it as "yes." Friendly units don't negate the zone of control for any kind of movement, including retreats.