Field Manual / Phonetic alphabet / DELTA
DELTA
PHONETICD · Say: DELL-TAH
NATO phonetic alphabet code word for the letter D.
On air
“Call sign D1K: DELTA WUN KILO.”
“I spell: DELTA...”
“Delta Four, this is Hammer One. Send your location. Over.”
“Officer's name, I spell: Delta, Alfa, Victor, India, Sierra. Over.”
In conversation
Fourth company is Delta Company, so their call signs start with Delta.