Garry served in the Royal Navy Submarine Service from 1982 until 2013, rising from Lieutenant (X) to Captain (X) (SM). Throughout his career he held numerous significant appointments, including service in HM Submarines ORACLE, REPULSE, VANGUARD and VIGILANT, where he commanded VIGILANT (Gold) from 2001 to 2003. He also served in Moscow, Brussels and at MOD London.

Beyond his naval service, Garry remained deeply committed to the wider naval and submarine community. He was President of the Kimbolton Royal British Legion since 2021, a Trustee of the St Neots & District Royal Naval Association, a member of the Friends of the Submarine Museum, and joined The Submarine Family at its formation.

Those wishing to send condolences may do so through his son, Alastair, details are in the Members area