Who is Allen Phillips from Unbroken: A World War II Story of Survival, Resilience, and Redemption and what is their importance?

Allen Phillips, also known as Phil, served as the pilot on Louis Zamperini's bomber crew. He survived the Green Hornet's crash along with Zamperini and another crew member, Francis MacNamara. He and Zamperini were transported to the same Japanese prison camp after their capture.