skos:altLabel | - 1st
- 1 S/L Rgt
- 1st Anti-Aircraft Searchlight Battalion
- 1st Light Regiment Royal Artillery
- 1st S/L Regiment
- 1st S/L Rgt
- 1st S/L Rgt, RA
- 1st Searchlight Battalion
- 1st Searchlight Regiment
- 1st Searchlight Regiment RA
- 1st Searchlight Regiment, RA
- 1st Searchlight Rgt
- 1st_Searchlight_Regiment,_Royal_Artillery#Postwar
- 78th HAA Rgt
- :1st Searchlight Regiment, Royal Artillery#Postwar
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