Later Lieutenant Walker returned to the contact area to provide top cover for a Puma helicopter assigned to casualty evacuation.

[3] Lieutenant Walker's actions were not only an outstanding display of professionalism, devotion to duty and courage, but also constitutes exceptional deeds of bravery under enemy fire and makes him a worthy recipient of the Honoris Crux Gold.

[6] The citation for the Bar to his Honoris Crux Gold reads: During December 1981 Captain Walker was again requested to provide top cover for the evacuation of a seriously wounded soldier.

Without hesitation and with total disregard for his personal safety, Captain Walker landed near the wrecked helicopter and immediately searched for the crew.

[7] He was later awarded the Southern Cross Medal for his work in developing Koevoet, a paramilitary-trained police counter insurgency unit in South West Africa.