The program spells out the input word into radio telephony alphabet (NATO alphabet) equivalent. Also known as Radio Operators Alphabet, or the NATO phonetic alphabet.Speak the word directly to the phone. The phone will then repeat the word to you and then proceed to spell it using the Nato phonetic alphabet.This program should help you memorize the NATO alphabet, which is required in certain professions. But it is also useful to spell over the phone when you want to make sure there are no misspelling due to the similarity of how the letters sound (b,v for example)