Color Coding System
| Bomb type/ mark |
Marking scheme | Alternate marking scheme | Purpose | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Nose color / band color |
Body color |
Tail color |
Body band color |
Nose color / band color |
Body color |
Tail color |
Body band color |
||
| Land | Green | Grey | Green | Blue | Green / Blue | Grey | Grey | - | Land targets. |
| Ordinary | Green | Grey | Green | - | Green / Blue | Grey | Grey | - | Ship targets. |
| Dummy | Green / Black | White | White | - | - | Dummy bomb | |||
| Practice | Green | Black | White | - | Green / Black | White | White | - | Training. |
| Training | Black overall | - | - | - | - | Training. | |||
| Smoke | Green / Black | Grey | Grey | - | - | - | - | - | For concealing ships. |
| Mark 1 | Green / Yellow | Grey | Yellow | - | - | - | - | - | Chemical gas bomb. |
| Mark 2 | Blue | Grey | Blue | - | Green / Blue | Grey | Grey | - | Anti-submarine. |
| Mark 3 | Silver | Grey | Silver | - | Green / Silver | Grey | Red | - | For air-to-air bombing. |
| Mark 4 | Green / White | Grey | Red | - | - | - | - | - | Rocket bomb. For dive bombing capital ships. |
| Mark 5 | Green / White | Grey | Grey | - | - | - | - | - | Armour piercing bomb. For use against capital ships. |
| Mark 6 | Green / Red | Grey | Red | - | - | - | - | - | Incendiary. |
| Mark 7 | Green / Purple | Grey | Purple | - | - | - | - | - | Bacillus bomb. |
| Mark 8 | Green / Brown | Grey | Grey | - | - | - | - | - | Anti-shipping skip bomb |
| Mark 19 | - | - | - | - | - | - | - | - | Special bomb used by fighters against bomber formations, redesignated as Mark 28 |
| Mark 21 | Green / Brown | Grey | Grey | - | - | - | - | - | Cluster of small bombs |
| Mark 22 | - | - | - | - | - | - | - | - | Cluster of spike bombs |
| Mark 23 | Green / Brown | Grey | Grey | - | - | - | - | - | Time delay bomb |
| Mark 24 | - | - | - | - | - | - | - | - | Cluster of parachute bombs |
| Mark 25 | - | - | - | - | - | - | - | - | Cluster of wedge bombs |
| Mark 26 | - | - | - | - | - | - | - | - | Unproduced time bomb design. |
| Mark 27 | Green / Silver | Grey/Red | - | - | - | - | - | - | Phosphorus rocket bomb for use against bomber formations. |
| Mark 28 | Green / Brown | Silver | Red | - | - | - | - | - | Rocket type bomb 10 kg high-explosive. |
| Mark 31 | Grey | Grey | Grey | - | - | - | - | - | Land type bomb. Uses an influence fuze. |
Read more about this topic: List Of Japanese World War II Navy Bombs
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