Paul Stout, 31, was killed in Afghanistan on 17 June, 2008, along with three other soldiers, including the first woman to die in the conflict. Mr Stout was with the TA SAS 23 Brigade.
The Ministry of Defence said Paul Stout, Corporal Sarah Bryant , Corporal Sean Reeve , and Lance Corporal Richard Larkin were taking part in an operation east of Lashkar Gah headquarters when their vehicle was hit by an explosion.
Paul Stout's family said in a statement: "Paul was a loving father and devoted husband. He was a wonderful son and brother and will be greatly missed by all his family and friends. Our lives will be changed forever by this loss."
Defence Secretary Des Browne said: "All four were immensely dedicated and professional service personnel and my sincere and deepest condolences go out to all of their family and loved ones. I cannot comprehend the pain they are going through. They have made the ultimate sacrifice, laying down their life alongside those of their comrades in pursuit of the aim of a peaceful and stable Afghanistan. We will ensure their losses were not in vain."
Tributes to all British troops killed in Afghanistan can be found here.
