Recruits continued to pour in, and the men forthcoming were more than sufficient to supply the reinforcing drafts which were sent forward monthly. During February the Australian Government decided to raise further Light Horse Regiments and the 5th and 6th Brigades of Infantry. The 5th Brigade was to be furnished by New South Wales with one battalion (20th) from Queensland. Victoria was to supply the 6th Brigade, with two companies each from South and Western Australia to form the 24th Battalion.

The two companies ("C" and "D") of the 24th Battalion were immediately formed from the depôt units in camp and commenced to equip and train.

Hardly had this been done when Headquarters announced the raising of even another brigade of infantry—the 7th. On the 1st April the establishments for this were issued. One and a half battalions (25th and 26th) were to be supplied by Queensland; half a battalion (26th) by Tasmania; and one battalion each by South Australia (27th) and Western Australia (28th). Added to this was a brigade staff of five officers and 21 other ranks to be raised from all districts. This new proposal necessitated some re-arrangement in respect to the 5th and 6th Brigades. The responsibility for the 20th Battalion reverted to New South Wales. Victoria likewise undertook to provide sufficient men for the 24th Battalion.

The Commandant of Western Australia, therefore, found himself called upon to raise and equip a complete new unit consisting of 32 officers, 994 other ranks, and 63 horses, together with two machine guns, nine bicycles, and 13 transport vehicles.[B]

On the 16th April definite instructions were issued to the Officer Commanding at Blackboy Camp to organise the new battalion from the troops then under canvas. Action was immediately taken, and what were formerly "C" and "D" Companies of the 24th Battalion became "A" and "B" Companies of the 28th. Two new companies were formed from the depôt units, and the whole four were then moved to separate lines and placed under the temporary command of Captain L. B. Welch, who had 2nd Lieut. C. H. Lamb to assist him as Adjutant. Other officers from the depôt helped in the organisation and administration.

SOME OF THE ORIGINAL OFFICERS.
Photo. lent by Mr. E. L. Mitchell, Perth.[ToList]

On the 23rd April Lieutenant-Colonel H. B. Collett was appointed to the command. This officer had formerly commanded the 11th Australian Infantry Regiment and the 88th Infantry Battalion (both of the Citizen Forces) in Perth, and had had considerable experience in military training, administration, and organisation. His first consideration was the selection and appointment of officers and non-commissioned officers, and the formation of the specialist detachments which were to be an integral and important part of the Battalion.

In the selection of officers little discretionary power was allowed the Commanding Officer. A Selection Board, appointed by the Minister for Defence, and sitting at Perth, recommended appointments. Very often this was done without a full knowledge of the candidate or of his qualifications. Under such circumstances some friction was bound to occur between the Board and the Commanding Officer. Eventually, however, it was possible, by means of compromise and adjustment, to gather together a reasonably sound team of officers. Major C. R. Davies, an officer of the 84th (Goldfields) Infantry, and a barrister of Boulder, became Second-in-Command. Captains A. W. Leane, L. B. Welch, and J. A. C. Wilson were promoted to the rank of Major and appointed to companies. A fifth major—F. R. Jeffrey—was transferred from Victoria and took "B" Company. This last-named officer, like the Second-in-Command, had seen service in South Africa, and had recently returned from England, whither he had conducted a draft of Imperial Reservists. A number of junior officers were found from the N.C.Os. attending a school of instruction for candidates for commissions. In the following years most of these men did exceedingly well. One of them commanded the Battalion during the major portion of 1917.