They were also capable of purifying water upon consumption in order to prevent diseases and infections such as diarrhea. The medical functions of this generation were far wider than any seen previously they could break down alcohol to prevent intoxication, creating a situation where men like Drebin were forced to drink cola instead in order to replicate a similar sensation. If these nanomachines are also damaged during a SOP system lockdown, the PMC soldiers in question will also behave in a similar method to zombies. Consequently, PMC soldiers in the mountainous regions of South America head into battle in a state of intoxication due to excess secretion of neural anesthetic by nanomachines. Therefore, in low atmospheric environments such as high mountains, they would malfunction and the secretion of neural substances would increase, due to changes in the concentration of oxygen in the blood. These nanomachines were designed for use at a pressure of 1 atmosphere.

In the nanomachines used in the military battlefield control system, ' Sons of the Patriots (SOP),' the user's ID is embedded, which in turn was used to perform ID authorization for system-managed firearms and other such devices. Nanomachines, which in the past were designed to control and manage an individual body, were now used as a tool to control a group. military personnel, as well as PMC soldiers and public organizations such as police agencies. The range of users was extended to include the regular armies of allied powers such as U.S. Nanomachines functioned as a fail-safe system between the President of the United States and the nuclear launch button as well as VIP-communication system between the President and his Secret Service detail.Д«y 2011, AT Security succeeded in making nanomachines even more complex and widely-used. The nanomachines were still limited to very important tasks. One interesting medical function of this generation was that they could effectively replace the use of bandages by sitting still in one place for long enough, the nanomachines rapidly organized a vast supply of platelets in order to coagulate the wound. The Codec during this time was also primarily made up of these nanomachines, and users when in communication with others using the Codec also appeared outwardly silent due to speaking in a nano-based language. The number of people with nanomachines implanted had also increased, and almost everyone involved with the Patriots or under their direct control had nanomachines implanted in their bodies. They also handled tasks such as remotely hacking into terminals and nodes connected to Big Shell's operational support network, communication inside the body, the dynamic creation of hallucinations through intracranial nanomachines, and the checking and remote management of VS (vital signs). These nanomachines were more advanced and their simultaneous function as network terminals had been further enhanced. Second-generation nanomachinesДЇour years later, during the Big Shell Incident, the second-generation nanomachines were injected into the body of Raiden, who successfully carried out a solo infiltration into Big Shell. The first-generation nanomachines, however, have a serious side effect: If they are injected into a person, they also have a chance with having a negative interference with someone's heart, especially if the person injected had suffered from rapid aging, as was what happened to Solid Snake.

These nanomachines could also be recharged via a person's body heat, although they will end up lost if the person injected was bleeding or through excretion. They could be manipulated to reduce the effects of disease, though they were unable to directly administer specific medicines. Nanomachines also made it possible to restrict the host's actions, such as shooting a gun, and to stimulate the host's muscle fibers using ciliary motility. In February 2005, during the Shadow Moses Incident, Naomi Hunter injected nanomachines into Solid Snake's body, which included: a nanomachine to supply and administer adrenalin, nutrients, sugar, nootropics, and benzedrine a nanomachine to recharge a Codec's battery and a nanomachine to infect the body with the FOXDIE virus.

2 People who have utilized nanomachines.

1.4 Medical and commercial nanomachines.

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