105th Regiment Royal Artillery (The Scottish & Ulster Gunners) is part of the Army Reserve and has sub-units throughout Scotland and Northern Ireland.

[2] After the Options for Change defence review in 1993, 206 (Ulster) Battery transferred to the regiment from 102nd (Ulster) Air Defence Regiment.

218 Battery was disbanded in 2005 when the Regiment re-roled to field artillery.

The battery continued the traditions of the old 278th (Lowland) Regiment (The City of Edinburgh Artillery).

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