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A random checkpoint (also known as a "flying checkpoint", "mobile checkpoint" or "hasty checkpoint") is a military and police tactic involving the setup of a hasty roadblock primarily by mobile truck-mounted infantry or police units in order to disrupt unauthorized or unwanted movement or military activity.〔(【引用サイトリンク】publisher=GlobalSecurity.org )〕 Random checkpoints are set up to achieve surprise, as opposed to known permanently located manned checkpoints. They might be established in locations where they cannot be observed by approaching traffic until it is too late to withdraw and escape without being observed.〔(UN Checkpoint operations )〕 ==Overview== The unit establishing the checkpoint must carry the materials necessary to construct it. It might use a vehicle, or multiple vehicles, reinforced with concertina wire, or other objects as the main obstacle. The vehicles might be positioned to partially or entirely block the road or route. The search area might be the space between multiple vehicles. Sentries might be positioned at each end of the checkpoint and are covered by mounted or dismounted automatic weapon positions. A reaction force may be designated and concealed nearby.〔 Vehicular and pedestrian traffic that approach with the intent of passing flying checkpoints can be asked to produce identification and submit to a search of their persons or vehicle. In some cases, people without proper identification or who arouse suspicion may be refused passage, detained, or arrested. Contraband may be confiscated.〔 A random checkpoint must be functional within 15 minutes of the unit's arrival on-site, and establish security teams 50–100 meters on both side of the area to be controlled. Advanced observation posts may also be positioned further out, if desired.〔Guide to Military Operations Other Than War: Tactics, Techniques, and Procedures for Stability & Support Operations, Keith Earle Bonn, Anthony E. Baker, p.113-115〕 When large geographical areas need to be monitored, the checkpoint may be quickly airlifted by helicopter from one location to another.〔(Afghan Allies Hunt Assassins ) CNN, July 8, 2002〕 Flying roadblocks and checkpoints are usually established for no more than a few hours, in order to decrease the possibility of insurgent attacks on them, as well as to maintain their effectiveness as a surprising, unexpected obstacle.〔(【引用サイトリンク】title=FMI 3-07.22 Appendix C Population and Resources Control )〕 Random checkpoints are a common tactic used by many military and police forces, and have been recently used by UN forces in Kosovo, Lebanese militias in Beirut, The Israeli army in the West Bank and US forces in Iraqi Kurdistan,〔(【引用サイトリンク】publisher=GlobalSecurity.org )〕 and Iraq in search of insurgents, fugitives, and other law breakers. In some war zones these checkpoints can have lethal consequences. This is especially true in the case of suicide blasts which produce casualties regardless of political or cultural affiliation. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Random checkpoint」の詳細全文を読む スポンサード リンク
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