 Nyorai kupfuurira kweiyi ndima - MSSTs yakagadzirwa pasi peMaritime Transportation Security Act ya2002 MTSA mukupindura zvakananga kurwiswa kwegandanga musi waSeptember 11, 2001, uye rutivi rwenzira yeUnited States Department of Homeland Security yakatarisana nokudzivirira zviteshi zvengarava nemigwagwa yemvura. MSSTs inopa mvura uye mwero wakaderera wekudzivirira kwepamhenderekedzo yegungwa yekurwisa hugandanga kune ngarava dzakakosha, ngarava dzakakosha, uye zvivakwa zvakakosha. MSSTs isimba rinokurumidza kupindura rinokwanisa kukurumidza kuendeswa kwenyika yose kuburikidza nemhepo, pasi kana kutakura kwegungwa mukupindura kushanduka kwemamiriro ekutyisidzira uye kushanduka kweMaritime Homeland Security MHS mishoni zvinodiwa. Kugona kuita mabasa akawanda kunobatsira kuwedzera mamwe mabasa anosarudzwa eVagadziri veMahombekombe. 