Here's how the Academy does it:
http://www.youtube.com/watch?v=u4mhtVAEUcA
Skip to 0:51 for 'cadre'.
Well; because we're americans, we have our own language. But as noted, it's pretty much pronounced as:
COD-DRAY.
We are having a disagreement in the houshold about the proper pronounciation of cadre. I am going with Merriam/Webster. Son has heard it differently. How is it pronounced so at least one of us can avoid sounding foolish?