Construct Section Command Post
Selects Air and Sea Battlegroup
Construct Platoon Command Post
Construct Field Infirmary
6-pounder Anti-tank Gun Team
Construct Company Command Post
Selects Commando Section Paradrop
Selects M1 Pack Howitzer Paradrop
M1 Pack Howitzer Paradrop
Unlock M3 Grant Medium Tanks
Commando Section Paradrop
Unlock Towed 17-pounder Anti-tank Guns
Selects Anti-tank Rocket Loiter
17-pounder Anti-tank Gun Team