Air liaison officers (ALOs) play an important interservice role as U.S. Air Force officers collocated with U.S. Army units. This investigation of the feasibility of an ALO career field explores an array of research on the subject, turning to historical initiatives and instructions going back nearly a century, published literature, and interviews with ALOs, commanders, and tactical air control party personnel.Air liaison officers (ALOs) are U.S. Air Force officers who provide close air support to U.S. Army units. This investigation of the feasibility of an ALO career field relies on historical sources, interviews, and a personnel flow analysis.