According to colleagues Lance Corporal Tasker and Theo were inseparable. Their working partnership was also hugely successful.
Theo located 14 home-made bombs and hoards of weapons in just five months.
The figure is the most any arms and explosives search dog in Afghanistan has found to date.
More top news
Police would face "real challenges" tackling a repeat of the London riots after years of cuts, one of Britain's most senior officers warns.
Here are the buildings we know are affected and what action is being taken by local authorities.
During an appearance at Glastonbury, the actor asked: "When was the last time an actor assassinated a president ... maybe it's time."