Soldiers from 1st Battalion, The Royal Welsh, who have been serving in Afghanistan, have returned home to the the UK.
During the six-month tour two of their servicemen were killed.
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Ian Paul Mcguigan and two men from Liverpool were caught after a police surveillance operation.
The case has now been adjourned until February, due to a delay which the judge blamed on Brexit.
Police described it as a 'particularly vicious crime'.