5. Sabotage —Terrorist groups may use various sabotage methods to harass and demoralize personnel. Some of those methods include fires, explosive devices, mechanical devices, chemicals, psychological abuse, and unauthorized entries into computers. TERRORIST THREAT TYPES Terrorist threats are divided into the following six categories: 1. Threat Type One. One or more outsiders (nongovernment persons) who seek access to a base or restricted area or asset to perform an unauthorized act such as vandalism or theft 2. Threat Type Two. An individual or group, authorized access to a base or restricted area or asset, seeking to steal or remove an item of government property from the installation 3. Threat  Type  Three.  A  disgruntled employee seeking to perform an act of sabotage, data tampering, or wrongful destruction or other- wise destroy government property or impair mission  accomplishment 4. Threat Type Four. An individual (outsider) or group seeking to make a political statement (antimilitary, antidefense, antinuclear, and so forth)  by  causing  adverse  publicity,  usually nonviolent in nature, to embarrass the military service 5. Threat Type Five. An individual (outsider) terrorist, in philosophy and action, seeking access to a naval installation to commit an act of violence (sabotage, bombing, hostage abduction, murder, arson, or theft of sensitive matter including nuclear weapons, conventional arms, ammunition and explosives, and so forth) 6. Threat Type Six. A 2-to-12 person group of well-armed, well-trained dedicated terrorists seeking access to a naval installation to commit an act of violence (sabotage, bombing, hostage abduction, murder, arson, or theft of sensitive matter including nuclear weapons, conventional arms, ammunition, explosives, and so forth) Commanding officers must have contingency plans to counter the six threat types. The following table summarizes the more sensitive areas and the threat types that must be included in a commanding  officer’s  contingency  plan. Under Normal Conditions Commanding Officers Must Have Ability To Counter AREAS Bases Shipyards Aviation (as an example, flight lines) Waterfronts Nuclear Weapons Storage Communications Facilities Intelligence Collection/Sensitive Communication Sites Conventional Arms, Ammunition and Ex- plosives Storage Sites Bulk Petroleum, Oil, and Lubricants (POL) (ground fuels, POL war reserve, etc. ) Nuclear Weapons Conventional Munitions Small Arms (Armories) Supply items Funds and Negotiable instruments Drugs, Drug Abuse Items Precious Metals Classified Information/ Material Automatic Data Pro- cessing (ADP) Facilities Aviation 1 1 1 1 1 1 1 Treat^- Types 2 3 4 5 6 2 3 4 5 2 3 4 5 2 3 4 5 2 3 4 5 6 2 3 4 5 2 3 4 5 2 3 4 5 6 2 3 4 5 2 3 4 5 6 2 3 4 5 2 3 4 5 2 3 4 5 2 3 2 3 4 2 3 2 3 4 2 3 4 2 3 4 5 THREAT CONDITIONS Indications and warnings of terrorist activity against naval installations and personnel will 8-2 1 1 1 1 1 1 1 1 1 1 1