In May 1940, following the outbreak of the
Second World War, Langham joined the
Australian Army Nursing Service as part of the
Second Australian Imperial Force. She disembarked in England in July and served with the 2/3rd Australian General Hospital and the Tidworth Military Hospital, Wiltshire, before embarking for the Middle East in November with the 2/3rd Australian General Hospital. The hospital moved to
Gaza and was redesigned as the 2/11th Australian General Hospital. She was sister-in-charge at the 2/11th's surgical ward in
Alexandria in 1941. By that December, Japan had joined the war and she left the Middle East and began work in Queensland where she was given the rank of captain in 1943. Her award was for "great devotion to duty often in dangerous and difficult circumstances and for outstanding ability". and was appointed an
Officer of the Order of the British Empire (OBE) in 1969. ==Death and legacy==