[3] After training at Royal Air Force College Cranwell, she was promoted to squadron leader on 1 August 1990.

[5] She has served a number of posting abroad, including with the United Nations Protection Force in Bosnia-Herzegovina, in Kuwait as part of Operation Desert Fox, and in Iraq as part of Operation Telic.

[3] From 2011 to 2014, Walton served as commanding officer of Defence Medical Rehabilitation Centre Headley Court.

In October 2022 it was announced that Walton would succeed as Director General of the Defence Medical Services from July 2023.

This biographical article related to the Royal Air Force is a stub.