“…Additionally, a significant amount of research has been performed regarding the visual issues of the system (Behar et al, 1990;Rash et al, 2001, Hiatt et al, 2001). However, a limited amount of research has focused on IHADSS helmet fit user satisfaction with the exception of a study performed early in the fielding of the original IHADSS helmet (Rash et al, 1987).…”