A personal testimony; from Military Intelligence through Policing to Teaching

This video sets out my life and journey through my 3 main careers; the Intelligence Corps as a Linguist (Special Intelligence) (Russian), as a Police Officer in the UK’s Devon and Cornwall Constabulary, and as a Physics Teacher following my later University education.
Intelligence Corps ‘quick march’
@TheMarches09
https://www.youtube.com/watch?v=os8FtkpxMHM
South West Police Pass Out Parade, Friday 13th March 1992 (Course 8/91); Complete Video Services, Bristol
https://www.cvs-yate.co.uk/
Exeter Graduation footage (2004) from Vision Unlimited (now First Sight Media)
https://firstsight.media/
Map of the United Kingdom
https://www.infoplease.com/atlas/europe/united-kingdom-map
Light transmission in water
https://gamma-sci.com/2021/08/16/light-transmission-in-the-ocean-and-other-bodies-of-water/)
Russian Cyrillic Alphabet
By FDRMRZUSA - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=118223250
Greek Alphabet
https://en.wikipedia.org/wiki/Greek_alphabet
Hebrew Alphabet
https://en.wikipedia.org/wiki/Hebrew_alphabet
Jeff Durbin
@ApologiaStudios
https://www.youtube.com/watch?v=sJG1Ahziptc