"Megan Leavey" is a 2017 film based on the true story of a U.S. Marine, Megan Leavey, who served in Iraq. The film highlights her bond with a military working dog named Rex, with whom she completed over 100 missions. Their partnership was crucial in detecting explosives and saving lives during the war. The movie showcases themes of loyalty, courage, and the challenges faced by veterans. It also addresses the struggles Megan Leavey faced after returning home, including her efforts to adopt Rex and the emotional impact of her service.