Ron Davies, from Beddau, says his cancer was easier to treat because it was detected early.
He's urging men in the 'at-risk' categories to talk to their GPs.
"Two factors that are significant are ignorance and embarrassment" he told ITV News.
"Speak to your GP - men over the age of 50 should be having that conversation with their GP, even though they might not be showing any signs or symptoms".
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The squadron is being disbanded as part of the Army's response to the Government's Strategic Defence and Security Review.
Andrea Byrne presents the third episode of Helimeds following the helicopter crews of the Wales Air Ambulance.
The heaviest of the rain clears overnight leaving a much drier and brighter picture for the weekend!