| Squadron | Lineage | Notes | |||||
| Household Cavalry Regiment | A | 1st Life Guards | Regiment only distingishes back to LG and B&R | ||||
| B | 2nd Life Guards | ||||||
| C | Royal Horse Guards | ||||||
| D | 1st Dragoons | ||||||
| 1st Queen's Dragoon Guards | A and B | 1st Dragoon Guards | |||||
| C and D | 2nd Dragoon Guards | ||||||
| Royal Scots Dragoon Guards (Carabiniers and Greys) | A | 3rd Dragoon Guards | |||||
| B | 6th Dragoon Guards | ||||||
| C and D | 2nd Dragoons | ||||||
| Royal Dragoon Guards | A | 4th Dragoon Guards | |||||
| B | 5th Dragoon Guards | ||||||
| C | 7th Dragoon Guards | ||||||
| D | 5th Dragoons | ||||||
| Queen's Royal Hussars (Queen's Own and Royal Irish) | A | 3rd Hussars | |||||
| B | 4th Hussars | ||||||
| C | 7th Hussars | ||||||
| D | 8th Hussars | ||||||
| 9th/12th Royal Lancers (Prince of Wales's) | A and B | 9th Lancers | |||||
| C and D | 12th Lancers | ||||||
| King's Royal Hussars | A | 20th Hussars | Regiment distingishes each Sqn as a Rgt | ||||
| B | 14th Hussars | ||||||
| C | 11th Hussars | ||||||
| D | 10th Hussars | ||||||
| Light Dragoons | A | 13th Hussars | Regiment distingishes each Sqn as a Rgt | ||||
| B | 15th Hussars | ||||||
| C | 18th Hussars | ||||||
| D | 19th Hussars | ||||||
| Queen's Royal Lancers | A | 16th Lancers | Regiment distingishes each Sqn as a Rgt | ||||
| B | 17th Lancers | ||||||
| C | 21st Lancers | ||||||
| D | 5th Lancers | ||||||
| 1 RTR | A | 1 RTR | Named for Tank Corps Bns (which were lettered) | ||||
| D | 4 RTR | ||||||
| G | 7 RTR | ||||||
| H | 8 RTR | ||||||
| 2 RTR | B | 2 RTR | |||||
| C | 3 RTR | ||||||
| E | 5 RTR | ||||||
| F | 6 RTR | ||||||