worldwide communications network for the U.S. Department of Defense and U.S. Military (Telecommunications)
DDN
Meaning of DDN in English
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012
worldwide communications network for the U.S. Department of Defense and U.S. Military (Telecommunications)
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012