The CUP - Team has released a CUP Units 1.3.1 Hotfix on their site.
Version 1.3.1 (17|Apr|2016)
2 New cap designs (TrackIR, Make Arma Great Again)
British and Khet/Jeans units bouncyness (now Lord Pettka is back to being the Lord of the Bounce)
US Army, Russian, Chedaki units not appearing in Zeus
Napa Soldier 4 hood removed in Pilot/First Person View
Russian Spetsnaz Assaultman did not have ammo for his RPG-18