Crossword clues for the word: NDU The word NDU has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for NDU Showing 1 to 8 of 8 results Clue(s) "Campus near South Bend, initially" "South Bend campus, initially" "Washington, D.C. campus whose director is the Chairman, Joint Chiefs of Staff; Abbr." Campus initials in South Bend D.C. sch. with programs focusing on military strategy and diplomacy So. Bend campus South Bend campus South Bend campus; Abbr.