“…The unique capabilities of this aircraft can impose severe aircrew workload and work-rest cycle requirements on the crew members, and these authors had hoped that previous research could provide operational guidelines for the C-5 manning requirements and management policies. However, after an extensive review, they (44) concluded that: little research was direcly applicable to their problem; most research concerned short-term rather than long--term stress; the nature of past research permitted little generalizability; and systematic research (in the laboratory or field) was lacking in these areas. At about the same time, the lack of this type of research data apnlicable to U.S. Army continuous field operations was noted at a symposium cchaired by Hodge (104).…”