Alex Lloyd interviews East Timor, Solomon Islands, Iraq, Lebanon and Afghanistan veteran, formerly of the SAS, Mark Wales. Life on the Line tracks down Australian war veterans and records their stories. Today's conversation is with East Timor, Solomon Islands and Middle East veteran, Mark Wales. A former member of the Special Air Service, Mark saw multiple deployments to the Middle East as an elite soldier. Alex Lloyd spoke to Mark about aspiring to become Special Forces, his experiences abroad and how his military skills have served him in life after.

In Season 4, Mark’s wife Samantha Gash was interviewed. In Season 5, Mark returned to the podcast to promote his memoir SURVIVOR: LIFE IN THE SAS. Mark returned again to the podcast in 2024 to promote his debut novel OUTRIDER.