Tom Davis, shakes hands with Freddie De Los Santos after winning at Men's H4 Time Trial at the Fuji International Speedway at the Tokyo 2020 Paralympics, Tuesday, Aug. 31, 2021, in Tokyo, Japan. (AP Photo/Emilio Morenatti)

Tom Davis rides his bicycle as part of his daily training, along a road near his home in Fremont, Ind., Tuesday, Aug. 17, 2021. Twenty years after the attacks of Sept. 11, and just days after the Taliban took control of Kabul, Davis is one of the small group of American combat veterans competing in the Tokyo Paralympics -- a corps of elite athletes who have triumphed over catastrophic injuries they suffered in Iraq and Afghanistan. (AP Photo/Emilio Morenatti)

Tom Davis, of the U.S., changes clothes after taking part in the Men's H4 Time Trial at the Fuji International Speedway at the Tokyo 2020 Paralympics, Tuesday, Aug. 31, 2021, in Tokyo, Japan. Davis, 44, has emerged as one of the world’s fastest hand-cyclists, going into the Tokyo competitions with three world championship silver medals and more marathon victories than he can easily count. (AP Photo/Emilio Morenatti)

Melissa Stockwell plays with her children, Dallas and Millie, in their home in Colorado Springs, Colo., on Saturday, Aug. 7, 2021. “I’ve always been an optimistic person,” she says. “Probably annoyingly optimistic to lots of people.” (AP Photo/Emilio Morenatti)

Freddie De Los Santos kisses his wife, Jeanette, at their home in Hopewell Junction, N.Y., on Wednesday, Aug. 19, 2021. “I function pretty well right now, but it hasn’t been easy,” he says. He credits psychotherapy, along with a deep Christian faith, a very patient family, a love for painting, and cycling. (AP Photo/Emilio Morenatti)

Melissa Stockwell has dinner with her husband, Brian Tolsma, and their children, Dallas and Millie, as they watch the Olympic games on the TV in their home in Colorado Springs, Colo., on Saturday, Aug. 7, 2021. (AP Photo/Emilio Morenatti)

Tom Davis, with his wife, Jamie, and their kids, offers a blessing before dinner at their home in Fremont, Ind., Tuesday, Aug. 17, 2021. “I can’t continue to be that guy that got blown up in Ramadi,” the city outside Baghdad where a hidden bomb threw his armored vehicle high into the air, costing the soldier much of his left leg. A tattoo on his forearm reads, “I can do all things through Christ who strengthens me." (AP Photo/Emilio Morenatti)

Freddie De Los Santos sits in his garage before his daily training in Hopewell Junction, N.Y., on Wednesday, Aug. 19, 2021. De Los Santos, 51, who grew up in a rough New York City neighborhood at the height of the crack cocaine epidemic, has created an idyllic small-town life north of the city. (AP Photo/Emilio Morenatti)

Freddie De Los Santos paints a canvas in his basement in Hopewell Junction, N.Y., on Wednesday, Aug. 19, 2021. “I have days where you see me moving and laughing, but I’m not functioning very well,” he says. "But I’m still pushing forward.” (AP Photo/Emilio Morenatti)

Brad Snyder works out on his stationary bicycle during daily training in his garage in Princeton, N.J., on Thursday, Aug. 5, 2021. A top swimmer at the U.S. Naval Academy, Snyder won his first two Paralympic gold medals in London barely a year after losing his sight. He won three more in Rio De Janeiro in 2016, then switched to the triathlon. (AP Photo/Emilio Morenatti)

Brad Snyder leaves his wife's office after serving her a tea at their home in Princeton, N.J., on Wednesday, Aug. 4, 2021. A Navy explosives expert, Snyder stepped on hidden mine in Afghanistan in 2011 as he moved to help a group of Afghan commandos badly injured by another blast. In moments he went from thinking he was dead, to relief that he was alive, to confusion as he stood up with blood pouring from his face. (AP Photo/Emilio Morenatti)

Melissa Stockwell swims in a sports complex during her daily training in Colorado Springs, Colo., on Friday, Aug. 6, 2021. “I’m not saying it’s all unicorns and rainbows every day all day,” she says. But “I accepted the loss of my leg early on, and that acceptance propelled me.” (AP Photo/Emilio Morenatti)

Luis Puertas has dinner in his home in Orlando, Fla., on Sunday, Aug. 8, 2021. His 7-year-old daughter, who he loves so much it almost hurts, only lives with him part-time. His relationship with her mother turned bad long ago. Much of his family lives far away. (AP Photo/Emilio Morenatti)

Luis Puertas' suitcases and a pair of prosthetic blades sit by his door in Orlando, Fla., on Monday, Aug. 9, 2021, as he prepares to travel to the Tokyo Paralympics Games. (AP Photo/Emilio Morenatti)

Freddie De Los Santos, is comforted by Tom Davis, left, after losing in the Men's H5 Road Race at the Fuji International Speedway at the Tokyo 2020 Paralympics, on Wednesday, Sept. 1, 2021, in Tokyo, Japan. De Los Santos says combat taught him to thrive on pain, making him a relentless competitor. “You enjoy the pain,” he said. “Sometimes, that pain is your best enemy. When I’m racing and I start to feel the pain, I say ‘How are you doing?’” (AP Photo/Emilio Morenatti)

Luis Puertas runs with his prosthetic blades during one of his daily training sessions in a sports complex in Orlando, Fla., on Monday, Aug. 9, 2021. He’s matter of fact about his injuries -- “In the Paralympics everybody has a story. There’s always some guy whose story is worse.” But the first years were rough. (AP Photo/Emilio Morenatti)

Melissa Stockwell prepares to ride her bicycle as part of her daily training session in her home in Colorado Springs, Colo., on Saturday, Aug. 7, 2021. She’s a public figure who has done countless interviews and a sought-after speaker who knows to avoid controversy. Ask her about America’s pullouts from Iraq and Afghanistan and she effortlessly shifts the conversation to patriotism and her family. (AP Photo/Emilio Morenatti)

Brad Snyder prepares tea for his wife in their kitchen decorated with a flag handcrafted by Brooklyn firefighters using recycled firehose, in Princeton, N.J., on Wednesday, Aug. 4, 2021. Losing his sight, he says, seems to matter more to other people. (AP Photo/Emilio Morenatti)

Freddie De Los Santos rides his bicycle as part of his daily training in Hopewell Junction, N.Y., on Wednesday, Aug. 19, 2021. His life changed in 2009, when a rocket-propelled grenade ripped into his vehicle in an Afghan village. He remembers his beard burning, and grabbing his leg after it was ripped off by the blast. (AP Photo/Emilio Morenatti)

Brad Snyder sits in his kitchen decorated with a flag handcrafted by Brooklyn firefighters using recycled firehose, at his home in Princeton, N.J., on Wednesday, Aug. 4, 2021. Snyder, who discovered a love for the classroom after teaching ethics a few years ago at the Naval Academy, started a Ph.D. at Princeton in 2020. He’s focusing on relationships between militaries and the people they serve. (AP Photo/Emilio Morenatti)

Brad Snyder bites his gold medal after wining the Men's Triathlon PTV1 in the 2020 Paralympics in Tokyo, on Friday, Aug. 27, 2021. (AP Photo/Emilio Morenatti)

Tom Davis competes in the Men's H4 Time Trial at the Fuji International Speedway in the Tokyo 2020 Paralympics, Tuesday, Aug. 31, 2021, in Tokyo, Japan. (AP Photo/Emilio Morenatti)

Melissa Stockwell competes in the Women's Triathlon PTS2 at Odaiba Marine Park in the 2020 Paralympics in Tokyo, Saturday, Aug. 28, 2021. (AP Photo/Emilio Morenatti)

Luis Puertas competes in the Men's 200m T-61 final, at Tokyo 2020 Paralympics, Friday, Sept. 3, 2021, in Tokyo, Japan. (AP Photo/Emilio Morenatti)

Freddie De Los Santos competes in the Men's H5 Road Race at the Fuji International Speedway in the Tokyo 2020 Paralympics, Wednesday, Sept. 1, 2021, in Tokyo, Japan. (AP Photo/Emilio Morenatti)

Tom Davis wipes sweat from his forehead after riding his bicycle as part of his daily training in Fremont, Ind., Tuesday, Aug. 17, 2021. If he hadn’t lost his leg, “I would never have grown into the person I am now,” he said. “Not even just racing a bike or whatever, but as a human being and as a husband and as a dad. ... I wouldn’t give all that back. Just to walk?” (AP Photo/Emilio Morenatti)

Brad Snyder, who lost his sight in Afghanistan in 2011, works out with his wife, Sara, in their garage in Princeton, N.J., on Thursday, Aug. 5, 2021. They met a few years ago through a friend. She is, he says, the most beautiful woman in the world. He has never seen her. (AP Photo/Emilio Morenatti)

Melissa Stockwell reacts arriving at the finish line in the Women's Triathlon PTS2 at Odaiba Marine Park in the 2020 Paralympics in Tokyo, Saturday, Aug. 28, 2021. (AP Photo/Emilio Morenatti)

Luis Puertas fixes his prosthetic blades on his residual limbs during one of his daily training sessions in a sports complex in Orlando, Fla., on Monday, Aug. 9, 2021. Puertas, 34, lost both his legs in September 2006 as he patrolled a crowded Baghdad neighborhood. His legs were severed when a massive IED blasted through his armored vehicle. (AP Photo/Emilio Morenatti)

Freddie De Los Santos rides his bicycle as part of his daily training in Hopewell Junction, N.Y., on Wednesday, Aug. 19, 2021. A fierce cyclist, he was introduced to the sport by physical therapists at Walter Reed National Military Medical Center, the hospital outside of Washington where tens of thousands of injured American soldiers were treated after Sept. 11. (AP Photo/Emilio Morenatti)