It Means Continue Mission. Usually said after an interruption or hiccup in whatever you're doing. This phrase is derived using the phonetic alphabet (Military Alphabet). So everyone over the radio (or all over the world!!!) can understand and know what you mean.
13/10/2017 Sono Atterrati!
Finalmente sono atterrati! Pallini BIO certificati. Grammature 0,20, 0,25. Diametro 5,95 +/- 0,01mm. Confezioni richiudibili da 500gr.