The action involved multiple violations related to the implementation of licensee's Physical Security Plan (PSP). Specifically, six violations were identified involving the failure to (1) maintain adequate PSP implementing procedures; (2) properly respond to a protected area alarm; (3) employ the capability to assess more than one protected area alarm at a time; (4) maintain a physical barrier to the protected area; (5) appropriately control and safeguards weapons stored in the armory; and (6) properly submit PSP changes to the NRC as required by 10 CFR 50.54(p).