Reply #23: Not so black & white.

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I, (name), do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; and that I will obey the orders of the President of the United States and the orders of the officers appointed over me, according to regulations and the Uniform Code of Military Justice. So help me God.

DADT is wrong but asking soldiers to violate the oath is not correct either.
The military works because people do as they are told often dying in the process. They do so because they took an oath.
As long as the President orders officers to uphold DADT they are obligated to do so.

Make no mistake until Obama signs a repeal of DADT that is exactly what he is ordering every service member to do.