директивний лист; офіційний лист (виконаний на формалізованому бланку)
dead letter-box
letter bomb (parcel bomb, mail bomb, postal bomb etc)
letter of instruction
letter of agreement
letter of commendation
action letter
immediate action letter
call letter
speed letter
recruitment letter
command letter
circumstantial letter
commendatory letter
Mike (letter M in the phonetic alphabet)
Air Force letter
activation order (ACTORD)
administrative order (ADMINO)
air movement order
Air Tasking Order (ATO)
Airspace Control Order (ACO)
appointing order
body of the order
combat order
complete (operation) order
concise order
court-martial order
coverage mission order (CMO)
defense order
deploying in battle order
embarkation order
execute order
fighting order