Alexander enlisted on 4 Dec 1940 and was an original member of the unit, embarking aboard “ZEALANDIA” on 8 Dec 1941 for Timor as a Lance Corporal in No 8 Section, “C” Platoon.
After the campaign on Timor, he embarked with the unit, for Australia aboard the Royal Dutch destroyer “Tjerk Hiddes” on 16 Dec 1942. He was promoted to Corporal on 17 May 1943 and after leave and reorganization, he embarked with the unit for New Guinea aboard “DUNTROON” on 17 Jun 1943 as a Corporal in No 9 Section, “C” Troop. He was Killed in Action whilst on Patrol in the JAPPA area of New Guinea on 19 Mar 1944 and buried at JAPPA but later interred at LAE War Cemetery, Plot M. Row A. Grave 1. on 6 Jan 1946.
He was entitled to the 1939-45 Star, Pacific Star, War Medal and Australian Service Medal 1939-45, pictured below.