102nd (Ulster) Air Defence Regiment Royal Artillery was part of the Territorial Army and used to have sub-units initially in Scotland and Northern Ireland and, latterly, just in Northern Ireland.

The regiment was formed as 102 (Ulster and Scottish) Light Air Defence Regiment Royal Artillery (Volunteers) in 1967, from the amalgamation of 245 (Ulster) Light Air Defence Regiment RA, 445 (Lowland) Light Air Defence Regiment RA, and 278 (Lowland) Field Regiment RA (The City of Edinburgh).

[1] Its units initially were Headquarters Battery at Newtownards, 206 (Ulster) Light Air Defence Battery at Coleraine and 207 (Scottish) Light Air Defence Battery in Glasgow.

[1] The regiment was equipped with the Javelin surface-to-air missile.

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