Holt Mobile Artillery Steamer
| American Forces in All Quiet on the Martian Front | |
|---|---|
| Armored Fighting Vehicles: | Baldwin Steam Tanks - Mk IV Steam Tank - Flame Tank - MK IV ACP - Mk V Goliath - Land Ironclad |
| Transports: | Fliver - Armored Infantry Carrier |
| Infantry: | US Infantry Squad - Forlorn Hope Team - US Command Squad - Machine Gun Squad - Armored Infantry Squad - Rough Rider Motorcycle Squad - US Cavalry Squad |
| Artillery: | Field Gun Battery - Heavy Field Gun Battery - Anti-Tripod Gun Battery - Mk II Mobile Artillery Steamer - Tesla Lightning Gun Artillery Steamer |
| Support: | Cargo Steamer - Mk II Tesla Minelayer - Ambulance - Field Engineering Unit |