Oh I would love to see those.

Do you know somethin more about them, like abbilities, or where would they come from, or...?

They are all included in my All Units mod , so you can try them alreadyPiat Commandos are just commandos with 2 Piats.Recon section has 4 scoped rifles, assault grenades (every squad member throws one) and can camouflage.Observation Officer can call in a barrage from the sextons on the field.