Invictus Games Foundation Chief Growth Officer Helen D'Oyley expressed optimism about the train's promotional impact.
"Every day, thousands of people will see this train, travel on it, or pass it in stations across the London Northwestern Railway and West Midlands network.
Each journey is another opportunity to spark curiosity and start conversations about the incredible resilience of wounded, injured and sick service personnel and veterans," she said.
ABC News royal contributor Victoria Murphy noted that despite the prince's recent legal defeats and security disputes, the impact of his veteran charity remains undisputed.
"This truly is his passion project, and when you speak to anyone involved with the Games, you really see how much of a difference it has made to so many people.
This is changing lives, and whatever else has happened with Harry, whether or not you agree with everything he has said and done, no one can take the impact of Invictus away from him," she said.
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The National Exhibition Centre (NEC) in Birmingham is designated as the primary venue host for the 2027 athletic events.
