What is the phonetic term for the letter 'J'?

The phonetic term for the letter 'J' is Juliette. The phonetic alphabet, often referred to as the NATO phonetic alphabet, assigns unique words to each letter to ensure clarity and understanding, especially in noisy environments or over radio communications. Juliette provides a standardized way to communicate that letter without confusion.

The other words listed, while they may be associated with the letter 'J' in different contexts, are not part of the official phonetic alphabet used for military and maritime communication. This standardized approach is crucial for effective communication to prevent misinterpretation of critical information.