Wing Commander J E 'Johnnie' Johnson, commanding No. 144 (Canadian) Wing, on the the wing of his Supermarine Spitfire Mk IX with his Labrador retriever Sally, at Bazenville, Normandy, 31 July 1944.
Sailors surround the ship's cat "Convoy" asleep in a miniature hammock on board HMS HERMIONE, Gibraltar, 26 November 1941.
Winston Churchill stops 'Blackie', ship's cat of HMS PRINCE OF WALES, crossing over to a US destroyer during the Atlantic Conference, August 1941.
A sergeant of the Royal Army Veterinary Corps bandages the wounded ear of 'Jasper', a mine-detecting dog at Bayeux in Normandy, 5 July 1944.
Travoys Arriving with Wounded at a Dressing-Station at Smol, Macedonia, September 1916
The Battle of Pilckem Ridge: Crossing the Yser Canal at Boesinghe, 31st July 1917.
Prime Minister Winston Churchill and General Sir Bernard Montgomery & his dog (named Rommel) in Normandy at Montgomery's caravan at his headquarters at Chateau Creully, 7 August 1944
A Sergeant of a Royal Engineers signals section puts a message into the cylinder attached to the collar of a messenger dog, Etaples, 28 August 1918.
A pack horse loaded with rubber trench boots (waiders) is led through the mud near Beaumont Hamel on the Somme battlefield, November 1916.
Tommy the tortoise, the pet of Mrs Dudley Beresford, was injured by shrapnel during the barrage of a German air raid on London on 29 September 1917.
St George's Day 1918: Bridge of 'HMS Canterbury'. When the Great Naval Raid took place on Zeebrugge and Ostend, 'HMS Canterbury' was on Patrol Work.
Spitfire pilots of No. 19 Squadron RAF gather at Manor Farm, Fowlmere, near Duxford in Cambridgeshire, September 1940.
Sergeant Bohumil Furst of No. 310 (Czechoslovak) Squadron is greeted by the squadron mascot on returning to Duxford after a sortie in his Hawker Hurricane Mk I, 7 September 1940.
Nurses on a British ambulance train near Doullens with their pet canaries, 27 April 1918.
Nancy, springbok mascot of the 4th South African Regiment, in Delville Wood, 17 February 1918.
Horse-drawn ammunition limbers pass through the ruined village of Longueval, Somme, September 1916
Horse team of the Royal Field Artillery pulling an 18 pounder field gun near Moeuvres, 27 September 1918.