When three-time Olympic gold medalist Kerri Walsh Jennings hits the volleyball court, it's war. And all wars come with battle cries.
So what's hers?
"My mantra very specifically is 'Breathe, believe, battle,'" Jennings told CNBC recently.
The 37-year-old volleyball star is currently competing in the Association of Volleyball Professionals (AVP) New York City Open. In August, she'll be competing in the Rio 2016 Olympic Games with partner April Ross.
Rio isn't the first time Walsh Jennings has taken the global stage. In fact, she took home the Olympic gold medal in beach volleyball three games in 2004, 2008 and 2012 with partner Misty May-Treanor.
To stay focused, Walsh Jennings listens to a playlist called "The Hunt" before each game.
"Our sports psychologist, he's like 'When you're out there, you're the hunters, so have that mindset,'" said Jennings.