| Book | Selector | Unit |
| Version 3 Rulebook | *Version 3 - British - Recce Infantry Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - British - Rifle Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - German - Recce Infantry Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - German - Rifle Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - Japanese - Rifle Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - Japanese -Recce Infantry Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - Soviet - Recce Infantry Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - Soviet - Rifle Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - U.S. - Recce Infantry Platoon | Forward Observer (Artillery) |
| Version 3 Rulebook | *Version 3 - U.S. - Rifle Platoon | Forward Observer (Artillery) |
