- The Army Institute for Professional Development (AIPD) Top | Bottom Important information 15 March 2002 Netscape browser may not function properly when trying to access some U.S. Army web sites or programs. AIPD restructured. 907 D21 Army Maintenance Management Course. New look for the Army Correspondence Course Sign In Page. 27 February 2001 Need to upgrade your browser to strong encryptionwww.atsc.army.mil/accp/aipd.htm