Which phonetic term is used for the letter 'E'?

The phonetic term used for the letter 'E' is "Echo." This is part of the International Radiotelephony Spelling Alphabet, also known as the NATO phonetic alphabet, which assigns unique words to each letter to ensure clarity in communication, especially in noisy or unclear environments. Using "Echo" for 'E' helps avoid misunderstandings when spelling words over radio or phone communications. Each word was chosen for its distinct sound and ease of recognition, which enhances communication effectiveness across various disciplines, particularly in military and aviation contexts.