"Tango Charlie" is a term used in military communication, specifically in the NATO phonetic alphabet, where it represents the letter "T." This phonetic alphabet is designed to ensure clarity and avoid misunderstandings during radio transmissions, especially in noisy environments. In addition to its military use, "Tango Charlie" is also the title of a 2005 Indian film directed by Madhur Bhandarkar. The movie explores the lives of drug addicts and the challenges they face, providing a gritty portrayal of addiction and its impact on society.