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The M-7 Spider is an U.S. anti-personnel networked munitions system that provides a secure remote command and control capability of up to 1500 meters for a hand-emplaced munition field. The system was developed by Alliant Techsystems (ATK) with its joint venture partner Textron Systems as a part of the Non-Self-Destruct Alternative (NSD-A) program and is intended to replace the Matrix remote trigger system currently deployed in Iraq which works with pre-existing mines like the M18 Claymore. Day & Zimmermann and General Dynamics are prime subcontractors.〔(【引用サイトリンク】title=Back in Business? U.S. Landmine Production and Exports )〕 ==Design== The system is composed of Munition Control Units (MCUs), a Remote Control Station (RCS), and a repeater for extending communication range. Up to 63 MCUs can be configured for each RCS. Each MCU can attach up to six Miniature Grenade Launcher (MGL) each of which covers a sixty degree arc. The MCUs are hand emplaced after which the operator can optionally command to deploy six triplines to provide a sensing network. The operator can be situated up to a mile away from the munition or further with the use of a repeater. When a tripline is activated, the MCU connected to the line signals wirelessly to the Remote Control Station using either the U.S. Army battlefield key management infrastructure or the Navy Electronic Key Management System (EKMS). The operator at the RCS can at that point choose to fire one or more of the attached munitions (grenades or other.)〔(【引用サイトリンク】title=Spider Unattended Ground Sensor )〕〔https://fas.org/man/dod-101/sys/land/wsh2011/wsh2011.pdf〕 The MCU is powered by a replaceable battery, lasting for approximately 30 days. After being fired the system can be disabled and fitted with fresh grenades. The M-7 Spider can also be ordered to "zeroize", purge all data stored in its memory to prevent the systems from being removed by the enemy. Additionally, if the system is tampered with or transported while armed it will become disabled. The M7 Spider does not have the ability to self-destruct or become a victim activated mine or explosive device.〔(【引用サイトリンク】title=United States, Landmine Producer: In Good Company? )〕 An MCU can be used with a number of different sub-munitions; some of which are claimed to be "non-lethal". 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「XM-7 Spider」の詳細全文を読む スポンサード リンク
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