JP 3-28, Civil Support - Federation of American Scientists

Standing Rules for the Use of Force for US Forces
(2) Lethal force is authorized when lethal force reasonably appears to be necessary to prevent
the escape of a prisoner, provided there is probable cause to believe that such person(s) have committed
or attempted to commit a serious offense, that is, one that involves imminent threat of death or serious
bodily harm, and would pose an imminent threat of death or serious bodily harm to DOD forces or
others in the vicinity.
(3) Lethal force is authorized when lethal force reasonably appears necessary to arrest
or apprehend a person who, there is probable cause to believe, has committed a serious offense
(as defined in the preceding subparagraph).
c. When operating under these RUF, warning shots are not authorized within US territory
(including US territorial waters), except when in the appropriate exercise of force protection of
US Navy and Naval Service vessels during maritime operations as permitted by CJCSI 3121.01B,
Standing Rules of Engagement/Standing Rules for the Use of Force for US Forces.
d. Units with assigned weapons may deploy with weapons stored; however, weapons will
not be carried during CS operations unless authorized by the SecDef.
B-5