Maintain threat, warning, and assessment security zones
NTTP 3-07.2.3, Appendix B, C, D, J, H, L, O, R, S & Z, Law
(f) Engineer: The Engineer is responsible for the
operations, care, and maintenance of all propulsion, auxiliary
machinery, damage control, communication systems, electrical,
and electronic devices.
(g) Crewman/gunner: All crewmen have look-out
responsibilities as well as being assigned as a gunner. Gunners
are responsible for the operation and maintenance of craft
weapons and weapons employment against threats.
NTTP 3-07.2.3, Appendix B, C, D, J, H, L, O, R, S & Z, Law
2-15