Completed the following sentence: The first commander was Brigadier Horace Robertson, who joined from Australia. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ During these exercises, the 19th Brigade assumed a defensive role while the 16th and 17th Brigades practiced assault techniques. During these exercises, the 19th Brigade assumed a defensive role while the 16th and 17th Brigades practiced assault techniques. ąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąą
<unk> <unk> <unk> <unk> <unk> <unk> Brigade played a more prominent role in the capture of Tobruk, moving through a gap created by the 16th Brigade, to attack the port area.<unk> Brigade played a more prominent role in the capture of Tobruk, moving through a gap created by the 16th Brigade, to attack the port area.<unk> Brigade played a more prominent role in the capture of Tobruk, moving through a gap created by the 16th Brigade, to attack the port area. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️