This book provides an in-depth analysis of the roles and responsibilities of Flag Lieutenants and Aides – de – camp gleaned from the experiences of the author during his time as a Flag Lieutenant. It also offers detailed guidelines with the aim to enhance the professionalism and efficiency of officers who may occupy this or similar positions in the Armed Forces of Nigeria as well as staff of other organizations. The book further buttresses the importance of competence for Flag Lieutenants in the discharge of their duties for the sustenance and preservation of the timeless traditions of the Nigerian Navy.