|The 25th Brigade was
formed in the United Kingdom on July 1940, in response to the immanent
threat of German invasion.
Initially, it was only intended as a
temporary formation and the troops for its three battalions were
composed of 1,300 men from support units of the 6th Australian Division,
and 459 infantry reinforcements intended for the infantry brigades in
the Middle East.
This manpower, however, was still only sufficient to
form three rifle companies in each of the new battalions instead of the
They were known as the 70th, 71st and 72nd Battalions but
were later retitled the 2/31st, 2/32nd and 2/33rd Battalions