Imperial Armour I: Imperial Guard and Imperial Navy is a Forge World supplement expanding the Imperial Guard with new vehicle patterns, weapon platforms, special characters, Imperial Navy aircraft, and a full alternative army list built around massed armour.
- Vehicles — the Leman Russ family and other Imperial Guard vehicle patterns (Chimera, Salamander, Trojan, Atlas, Cyclops, Sentinel Powerlifter, Basilisk, Griffon, Medusa, Hydra).
- Super-Heavy Vehicles — the Baneblade and its variants (Shadowsword, Stormblade, Stormsword), governed by Appendix I: Super-Heavy Vehicles.
- Imperial Guard Weapon Platforms — Earthshaker, Hydra, and Manticore platforms, the Sentry Gun, and the Turret Emplacement.
- Advanced Rules: Battle Cannon Ammunition — optional special shell types for battle cannon-armed vehicles.
- Imperial Guard Special Characters — three named characters, including a named Baneblade.
- Imperial Navy Aircraft — six aircraft patterns, governed by Appendix II: Flyers.
- Imperial Guard Armoured Battlegroup Army List — a full alternative Imperial Guard army list built around massed armour, with a worked example of assembling one.
- Appendix I: Super-Heavy Vehicles and Appendix II: Flyers — the book's two general rules appendices.
- Imperial Guard Vehicles (20 pages)
- Super-Heavy Vehicles (4 pages)
- Imperial Guard Weapon Platforms (5 pages)
- Advanced Rules (1 pages)
- Imperial Guard Special Characters (3 pages)
- Imperial Navy Aircraft (6 pages)
- Imperial Guard Armoured Battlegroup Army List (23 pages)
- Appendix I: Super-Heavy Vehicles
- Appendix II: Flyers