Invictus Games athlete Derek Speirs

Quebec AM

The Invictus Games are set to begin Oct. 20 in Sydney, Australia. Canada has selected 40 athletes to compete. Among them, Derek Speirs, who was medically discharged following a fire in 2004 aboard the submarine HSCM Chicoutimi. We take you to a gym in Sherbrooke to meet Speirs, who met with CBC's Rebecca Martel during training, and as you'll hear, it wasn't an easy one.

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