History of the British Army postal service relieve General Gordon in Khartoum. The Army Post Office Corps under the command of Major Sturgeon was despatched to Suakin in support of the expeditionary force raised to relieve General Gordon in Khartoum. They landed at Suakin on 27 March 1885 and established the Base Army Post Office there. Further Field Post Offices were opened at Quarantine Island, the railway terminus and one each with the Headquarters and 2nd Brigade. The mails travelled the same routes as for the Egyptian Campaign of 1882. A daily mail service between Suakin, the Headquarters, Handub and Otao was arranged. Every morning a messenger
HMS Khartoum (F45) and the sloop in search for "Torricelli" near Perim Island. After interception, "Khartoum" and these warships took part in a surface engagement with the submarine, during which "Torricelli" was sunk and "Shoreham" damaged. However, during the battle, "Khartoum" was hit by return fire which damaged the after torpedo tube mounting. Some five and a half hours later, at 11.50am (local time), a torpedo's compressed air chamber exploded, propelling the warhead through the deck house of number 3 4.7-inch mount. and causing a serious uncontrollable fire from a ruptured oil tank there. This resulted in an explosion of the ship's artillery