Knox to take part in a five-day program to select the next battalion commanders for the Army (beginning in FY2021). This process replaces the former selection process which was based solely on rank and individual reviews of past performance. From now on, more consideration will be given to an individual officer's personal preference, as part of 25 other selection criteria. "Promotion boards will now be able to see almost all substantiated adverse information". The promotion boards will be able to see anything in an officer's human resource record. Officers are encouraged to become familiar with their human resource record, and to file rebuttals to adverse information. Depending on the success of this initiative, other assessment programs could be instituted as well, for promotion to sergeants major, and for assessment of colonels for command. Below are the U.S. Army ranks authorized for use today and their equivalent NATO designations. Although no living officer currently holds the rank of General of the Army, it is still authorized by Congress for use in wartime. Officers There are several paths to becoming a commissioned officer including the United States Military Academy, Reserve Officers' Training Corps, Officer Candidate School, and direct commissioning. Regardless of which road an officer takes, the insignia are the same. Certain professions including physicians, pharmacists, nurses, lawyers and chaplains are commissioned directly into the Army. Most army commissioned officers (those who are generalists) are promoted based on an "up or out" system. A more flexible talent management process is underway. The Defense Officer Personnel Management Act of 1980 establishes rules for the timing of promotions and limits the number of officers that can serve at any given time. Army regulations call for addressing all personnel with the rank of general as "General (last name)" regardless of the number of stars. Likewise, both colonels and lieutenant colonels are addressed as "Colonel (last name)" and first and second lieutenants as "Lieutenant (last name)". Warrant officers Warrant officers are single track, specialty officers with subject matter expertise in a particular area. They are initially appointed as warrant officers (in the rank of WO1) by the secretary of the Army, but receive their commission upon promotion to chief warrant officer two (CW2). By regulation, warrant officers are addressed as "Mr. (last name)" or "Ms. (last name)" by senior officers and as "sir" or "ma'am" by all enlisted personnel. However, many personnel address warrant officers as