Login to unlock this video.
If you don't already have an account, sign up to enjoy more TVNZ content anytime, anywhere.
PG A young man named Rob Guzzo follows in his mother and father's footsteps and just like his Dad, he becomes a Navy SEAL. This is the story of a true warrior lost to an invisible injury.
Members of the Special Forces reveal their first person accounts of deadly covert missions.
Titles, characters and all other elements are the trade marks and copyright of TVNZ or its licensors. All rights reserved. Further details available here.