Book excerpt: MCRP 3-10E.6 (Formerly MCWP 3-16.7) Marine Artillery Survey Operations 2 May 2016, sets forth the doctrinal foundation and technical informationthat Marines need to provide accurate and timely survey support. It covers a broad spectrum of issues from general knowledge to Marine-specific equipment.As one of the five requirements for accurate predicted fire, survey is critical to the success of artillery (and ultimately maneuver) on the modern battlefield. Marine artillery surveyors support firing units and target acquisition assets, enabling indirect fires to mass effectively and deliver surprise observed fires and effective unobserved fires