The next development was to have one or two Q-ships among the convoys, for the most obvious of reasons, and especially well astern of the convoy, so that the enemy might take them for stragglers and sink them before any of the escort could turn back and help. Then came a still further development, which had been in the minds of many naval officers for a long time. Since there was such a scarcity of tonnage available for general purposes, why not let the Q-ship, instead of carrying ballast, be loaded with a proper cargo? She could easily carry this without interfering with her fighting ability: in fact, she would be trimmed more normally, and rather increase than decrease her power of deception. As to the possibility of secrecy being lost whilst loading in port, the armament was very cleverly concealed and only a little organization was necessary to prevent her true character being bruited about. The main difficulty would be when in the presence of neutral shipping in that particular harbour, but this problem was capable of solution.

Thus it happened now that in many cases the Q-ship became also a trader. Be it noted, her character was not that of an armed merchant ship which is armed only defensively, but a properly commissioned warship carrying cargo as well as her offensive armament. Now, one of these craft was the two-masted 179-ton brigantine Probus (alias Q 30, Ready, Thirza, Elixir). She had been purchased by the Admiralty in 1915, and fitted with an auxiliary motor. Then, based on Granton, she had worked as a decoy in the North Sea.

In May, 1917, having done excellent work as a pure decoy, we find her as a decoy-trader. Having loaded up with coal at Granton, she left there on May 4, and duly arrived at Treguier. From there she proceeded to Swansea with a cargo of pit-props, which were much needed by the Welsh coal mines, seeing that our customary supply from Scandinavia, via the North Sea, was so endangered at that time. From Swansea Probus, who was armed with two 12-pounders and two 6-pounders, sailed round to Falmouth, and at 3.30 on the afternoon of June 20 she set sail for Morlaix in company with twelve sailing ships and the one steamship escort, the armed trawler Harlech Castle. Think of it in these modern days: a dozen sailing vessels coming out past St. Anthony’s Lighthouse! Truly this war has shown how history goes on repeating itself. Who would have thought that sailing-ship convoys, which in other wars used to assemble and leave Falmouth, would ever be witnessed again?

Now, to control a dozen sail you must have sea-room, so the convoy was arranged thus: A mile ahead of the first sailing ship steamed the trawler, then came the twelve ships spread over 3 miles, and then 4 miles astern of the last ship, and looking just as a straggler would be, sailed the Probus. There was thus a distance of 8 miles between her and the escort trawler. Most of a day passed before anything occurred. At 2.15 p.m. on June 21 Probus, still astern of the convoy, was about 23 miles south-west of the Start and heading on a course S.E. by S. The wind was S.W., force 3, and she was doing about 4 knots through the water, when she observed what appeared to be a ketch-rigged vessel, steering the same course, 4 miles away on the starboard quarter; but from the rapidity with which the bearing altered, it was soon obvious that the ketch was not under sail alone. At 2.30 p.m. the ‘ketch’ proved her submarine identity by opening fire, the first shot falling 10 yards clear of the brigantine’s beam. Probus then hove-to, the crew went to action stations, and the boat was got ready to be launched, while the submarine kept up a rapid fire from about 4,000 yards, shells falling unpleasantly close. By now Probus was heading about S.W. with fore-yards aback, and, owing to the light wind, was making a stern board. Then her head fell round slowly to the west. The enemy was now bearing about W. to W.S.W., firing rapidly, and heading to the south-east so as to cross the brigantine’s bows. It was a beautifully clear summer’s afternoon, and you could see the convoy and the smoke from the escorting trawler quite easily. After the submarine had maintained a continuous long-range fire for ten minutes, Probus ran up the White Ensign, and at 3,500 yards opened fire with her starboard 12-pounder. The first round fell 500 yards short, but the crew of the submarine’s gun hurriedly left their station and made for the conning-tower. The second shot seemed to be a hit, for the enemy, lying across the brigantine’s bows, stopped, and a large cloud of smoke went up, and he temporarily ceased fire.

Probus then went about on the other tack, and the enemy took advantage of this to resume firing, while shots began to fall all round; but the port 12-pounder of the British ship now came into action, and the fourth shot was certainly another hit, for it dismantled the German’s sails and mast, and raised a cloud of smoke from the fore part of the conning-tower. Shelling continued, and the enemy was compelled to submerge, Probus’s parting shot hitting him on the top of the conning-tower. It was now about 3.30 p.m., and nothing was seen of the German until a quarter of an hour later, when he was sighted 6 miles away approaching Probus. He had probably been stopping his shell-holes, and was now ready to give the sailing ship the knock-out blow; but the armed trawler, with its fishermen crew eager to have a hand in the fight, was by this time making towards the submarine, and this compelled the German to break off the engagement and scurry to the north-east.

Unfortunately this duel demonstrated yet again the great weakness of the sailing ship as a man-of-war. In the olden days, when the swift-moving galley fought the sailing carrack or caravel, the galley was able to press home her attack if the weather fell light, and left the other ship rolling helpless in the calm, with yards and tackle grievously creaking and chafing. The submarine is the modern galley, and the Q-sailing-ship is the carrack’s counterpart. As long as there was a good breeze she could be manœuvred, and if there was a hard breeze it would make it difficult for the enemy’s gunnery. Probus was practically becalmed, so the submarine could run rings round her, and the sailing ship could not be worked up to windward. Of course, on these and similar occasions troubles seldom come singly; for when the brigantine Probus made a stern board her starboard propeller had fouled the log-line, so this was out of action. However, Probus resumed her original course, followed the convoy, and in spite of the light airs duly arrived at Morlaix on June 25.

Q-sailing ship “Fresh Hope”
This was a 900-ton three-masted schooner which was requisitioned in the last year of the war. She had previously been the United States “Edith E. Cummins.”

Q-ship “Record Reign”
This apparently peaceful ketch was one of those armed mystery sailing ships which came into service during the last year of the war.