D-            Calciferol vitamin

OD-            Supratheraputic, sometimes fatal amount, for short

DOE-             Unknown John

NODE-        Anatomic lymphatic structure

DRONE-        Unmanned Aircraft

MODERN-        Like some art in The Guggenheim

MINORED-        Studied a second subject in college

RADIOMEN        Crew in the Communications Room shipboard

RANDOMIZED-    Put in arbitrary order

HARMONIZED-    Added notes underneath the melody