At Ease! I'll be in the area all day.
kevx, I am a 66H8A, otherwise known as Army Critical Care RN. After 6 months from original report date to duty at an MTF (Miltary Treatment Facility) an ANC (Army Nurse Corps) officer may apply for one of the AMEDD's (Army Medical Dept) nursing specialty care courses. The critical care nursing course is an intensive 16 week course. Upon completion you are awarded the additional skill identifier 8A. All new grad ANC's, as well as experienced Med/Surg RNs are 66H area of concentration. However, as 66H8A you specialize in critical care.
One year of civilian ICU experience is probably not sufficient regards to entry into the ANC as 66H8A.
More questions?
... carry on