Abbreviation Relevant to Gunners

ALO Army (possibly Air) Liaison Officer - title originally given to officers fulfilling the role of BLO on RN Warships. (WW2) ALS (i) Automatic Laying System (Part of the MLRS system) (ii) Apparatus Loud Speaking. The successor to the WW2 tannoy used between CPs and guns with lights in the CP to represent acknowledgements. ................
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