Input (grade 13): His father, James Buchanan McAllister, was a British civil servant, originally from Glasgow (where the family still has relatives), stationed in West Berlin since 1969, where he was attached to the Royal Corps of Signals.
Output (grade 9): His father, James Buchanan McAllister, was a British civil servant, originally from Glasgow (where the family still has relatives). He had been stationed in West Berlin since 1969, attached to the Royal Corps of Signals.