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
Sebastian DeLeon is only the fourth person to live out of the 138 people who have contracted it in the past 50 years.
The emoji was revealed ahead of the show's return tonight.
Hospitals in England are being forced to suspend acute services due to staff shortages. See if your hospital is affected here.