| Book | Selector | Unit |
| Armies of Great Britain | 1940 - Dad's Army | Forward Observer (Air) |
| Armies of Great Britain | 1940 - Fall of France | Forward Observer (Air) |
| Armies of Great Britain | 1940-41 - East Africa | Forward Observer (Air) |
| Armies of Great Britain | 1940-41 - Operation Compass | Forward Observer (Air) |
| Armies of Great Britain | 1940-43 - Behind Enemy Lines | Forward Observer (Air) |
| Armies of Great Britain | 1942 - Fall of Singapore | Forward Observer (Air) |
| Armies of Great Britain | 1942 - Operation Lightfoot | Forward Observer (Air) |
| Armies of Great Britain | 1942 Australian Reinforced Platoon | Forward Observer (Air) |
| Armies of Great Britain | 1942-43 - Tunisia | Forward Observer (Air) |
| Armies of Great Britain | 1942-45 - Burma | Forward Observer (Air) |
| Armies of Great Britain | 1943-45 Australian Jungle Division | Forward Observer (Air) |
| Armies of Great Britain | 1944 - Market Garden | Forward Observer (Air) (Veteran) |
| Armies of Great Britain | 1944 - Monte Cassino | Forward Observer (Air) |
| Armies of Great Britain | 1944 - Normandy | Forward Observer (Air) |
| Armies of Great Britain | 1945 - Into The Reich | Forward Observer (Air) |
| Armies of Great Britain | British Reinforced Platoon | Forward Observer (Air) |
| Armies of Great Britain | Normandy Royal Marine Commando Troop | RM Forward Observer (Air) |
| Battle of France | Grenadier Guards | Forward Observer (Air) |
| D-Day: British & Canadian Sectors | Late-War British Anti-tank Reinforced Platoon | Forward Observer (Air) |
| D-Day: British & Canadian Sectors | Late-War British Machine-gun Reinforced Platoon | Forward Observer (Air) |
| D-Day: British & Canadian Sectors | Late-War British Mortar Reinforced Platoon | Forward Observer (Air) |
| D-Day: British & Canadian Sectors | LateWar Allied Armoured Division NW Europe Platoon | Forward Observer (Air) |
| D-Day: British & Canadian Sectors | Mid/Late-War Royal Artillery Gun Troop | Forward Observer (Air) |
| D-Day: British & Canadian Sectors | RAF Regiment Armoured Squadron (Armoured Platoon) | Forward Observer (Air) |
| D-Day: Overlord | British 6th Airborne | Forward Observer (Air) |
| D-Day: Overlord | British/Canadian Beach Assault | Forward Observer (Air) |
| D-Day: Overlord | British/Canadian D-Day (Off the Beaches) | Forward Observer (Air) |
| Defiance | British (Revised) | Forward Observer (Air) |
| Defiance | British Airborne | Forward Observer (Air) |
| Defiance | British Heavy Infantry | Forward Observer (Air) |
| Defiance | Canadian | Forward Observer (Air) |
| Gigant | O'Connor Force Armoured Platoon | Forward Observer (Air) |
| Italy: Soft Underbelly | 201st Guards | Forward Observer (Air) |
| Italy: Soft Underbelly | 8th Indian Division | Forward Observer (Air) |
| Italy: Soft Underbelly | A Force | Forward Observer (Air) |
| Italy: Soft Underbelly | Canadian First Division | Forward Observer (Air) |
| Italy: Soft Underbelly | Chavasse Force | Forward Observer (Air) |
| Italy: Soft Underbelly | Commando/RMC Troop (Sicily and Salerno) | Forward Observer (Air) |
| Italy: Soft Underbelly | Eight Army (Sicily) | Forward Observer (Air) |
| Italy: Soft Underbelly | Eighth Army (Italy, 1943) | Forward Observer (Air) |
| Italy: Soft Underbelly | Special Raiding Squadron (Sicily) | Forward Observer (Air) |
| Italy: Soft Underbelly | Termoli Assault Force | Forward Observer (Air) |
| Italy: Soft Underbelly | X Corps | Forward Observer (Air) |
| Italy: Tough Gut | British 1st Infantry Division (Anzio) | Forward Observer (Air) |
| Italy: Tough Gut | II NZ Corps Reinforced Platoon | Forward Observer (Air) |
| Italy: Tough Gut | II Polish Corps (Apr-Jun, 1944) | Forward Observer (Air) |
| Italy: Tough Gut | Operation Honker | Forward Observer (Air) |
| Italy: Tough Gut | X Corps Reinforced Platoon(January-February 1944) | Forward Observer (Air) |
| New Guinea | 1942 Australian Army | Forward Observer (Air) |
| New Guinea | 1943-45 Australian Jungle Division | Forward Observer (Air) |
| New Guinea | Australian Imperial Force | Forward Observer (Air) |
| New Guinea | Australian Kanga Force | Forward Observer (Air) |
| New Guinea | Australian Reinforced Platoon | Forward Observer (Air) |
| New Guinea | Australian Tank Platoon | Forward Observer (Air) |
| New Guinea | Defence of Milne Bay | Forward Observer (Air) |
| Resurgence | British Tank Platoon | Forward Observer (Air) |
| Sea Lion | Airfield Defence Reinforced Platoon (Regular) | Forward Observer (Air) |
| Sea Lion | Coastal Defence Reinforced Platoon (Regular) | Forward Observer (Air) |
| Sea Lion | Regular Army Infantry Reinforced Platoon | Forward Observer (Air) |
| Sea Lion | Regular Army Reinforced Tank Platoon | Forward Observer (Air) |
| Tank Wars | British Tank Platoon | Forward Observer (Air) |
| v2 Rulebook | British rule book units only | Forward Observer (Air) |
| Western Desert | 1940-42 Commonwealth Infantry Brigade | Forward Observer (Air) |
