Former head of the Irish Guards Colonel Ben Farrell told ITV's Daybreak that although the government's plan to boost the Territorial Army to 30,000 was "on the face of it a good idea", he was concerned by the "practicalities" of the proposal.
Colonel Farrell said he thought increasing the number of reservists from 19,000 to 30,000 by 2018 would be difficult to achieve and feared that businesses could be impacted if employees were called up on duty.
He added that he was less concerned over the Territorial Army's input on operations, pointing out that they had previously "done brilliantly overseas" and would be subjected to training before being deployed.
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