I forced myself to learn the NATO alphabet recently by using some online flashcards. Nothing complex, just shows the letter and I have to recall the word, then

I forced myself to learn the NATO alphabet recently by using some online flashcards. Nothing complex, just shows the letter and I have to recall the word, then click to see if I got it right. Didn't take very long to get it down, and I go through them every few days to verify recall.