[1] In June 1923, Cargill joined the newly re-named Princess Mary's Royal Air Force Nursing Service.

[6] In the 1941 King's Birthday Honours, Cargill was appointed an Associate of the Royal Red Cross.

[7] Cargill returned to the United Kingdom after the end of the war and spent the rest of her military career as matron of the RAF Hospital in Matlock, Derbyshire.

[3] On 16 July 1948, she was appointed the Matron-in-Chief of Princess Mary's Royal Air Force Nursing Service.

[11] Cargill retired from the military due to "medical unfitness for air force service" on 12 May 1952.