[3] Spry enlisted in the Royal Brunei Armed Forces (RBAF) in September 1989 and was subsequently posted to the RBN as a naval cadet in April 1990.

He later enrolled in the international midshipman program at Britannia Royal Naval College in Dartmouth, United Kingdom where he eventually earned his degree in 1991.

Notably, he made a contribution to regional peace in Mindanao, Philippines, in 2012 while serving as the Brunei Darussalam International Monitoring Team's (IMT) Head.

[4] During his introduction trip to Singapore from 29 March to 1 April 2022, Spry visited Lt. Gen. Melvyn Ong and looked at the guard of honour at MINDEF.

[5][6] From 6 to 8 November 2022, Yokosuka, Japan, hosted the 18th Western Pacific Naval Symposium (WPNS) and International Fleet Review (IFR) 2022, in which Dato Spry served as head of delegation.