[3] The MCUs are hand emplaced after which the operator can optionally command to deploy six triplines to provide a sensing network.
)[5][6] The M-7 Spider can also be ordered to "zeroize", and purge all data stored in its memory to prevent the systems from being removed by the enemy.
[7] Developed to bridge the gap between remote battlefield sensors and anti-personnel mines, the M7 Spider Networked Munition System was originally designed to be either victim-activated or operator-initiated.
In accordance with the 2004 U. S. National Landmine Policy, The M7 Spider was permanently configured as a "Man-In-The-Loop" (MITL) weapon system with all victim activated capabilities removed.
[8] Wired reported in 2004 that the Army intended to purchase 290,000 spider munitions at a cost of $513 million US dollars.