In World War II, he fought with Gideon Force in Ethiopia, where he was awarded the DSO for capturing Agibar and its garrison of 2500 Italian troops; afterwards he served in the Long Range Desert Group in North Africa.
In World War II, he fought with Gideon Force in Ethiopia during the East African Campaign. Thesiger was awarded the DSO for capturing Agibar and its garrison of 2500 Italian troops; afterwards he served in the Long Range Desert Group in North Africa.