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Czechoslovaks who served in the Royal Air Force would also concurrently be serving in the exiled Czechoslovak Air Force, often at differing ranks. A comparison of ranks is:
| abbrevation | RAF | zkratka | čs. armády |
| AC2 | Aircraftman 2nd Class | voj. nov. | vojín nováček |
| AC1 | Aircraftman 1st Class | voj. | vojín |
| LAC | Leading Aircraftman | svob. | svobodník |
| Cpl. | Corporal | des. | desátnik |
| Sgt. | Sergeant. | čet. | četař |
| F/Sgt. | Flight Sergeant | rt. | rotný |
| rtm. | rotmistr | ||
| šrtm. | štábní rotmistr | ||
| W/O | Warrant Officer | prap. | praporučík |
| šprap. | štábní praporučík | ||
| P/O | Pilot Officer | ppor. por. |
podporučík poručík |
| F/O | Flying Officer | npor. | nadporučík |
| F/Lt | Flight Lieutenant | kpt | kapitán |
| S/Ldr | Squadron Leader | škpt mjr. |
štábní kapitán major |
| W/Cdr | Wing Commander | pplk | podplukovník |
| G/Cpt | Group Captain | plk | plukovník |
| A/Com | Air Commodore | brig. gen. | brigádní generál |
| AVM | Air Vice Marshall | div. gen. | divizní generál |
| AM | Air Marshall | ||
| arm. gen. | armádní generál | ||
| ACM | Air Chief Marshall | ||
| Marshall of the Royal Air Force |
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Free Czechoslovak Air Force 