REACT Foam is a Codex featured in Tom Clancy's Rainbow Six Extraction. It is unlocked by reaching Development Milestone 15.
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INDEX Analysis:
REACT Foam is a nanomaterial based on technology developed by NASA. Safety measure used to counter hazards of vacuum and radiation in zero-gravity space. (QUERY: Suit failure /secondary survival system, EVA portable life support system)
Nanoparticles are instantly deployed when Operator bio-signals reach predetermined threshold. Self-assembles a protective casing intended to limit exposure of personnel to dangerous and/or infectious environments.
Nanoparticulate is also inhaled to induce controlled suspended animation state and reduce metabolic rate. Life-sustaining metabolic systems are managed on a cellular level. (QUERY: oxygen-carbon dioxide exchange, nutritional needs).
REACT Foam nanoparticulate is engineered by R&D to be biologically inert to the Chimera organism. Used in various materials and equipment. (Cross-ref: Airlock cycling, Barricades, REACT blade)
PROTOCOL:
All personnel are equipped with wrist-mounted auto-deployment device synched with biometric sensors. Allows foam to be auto-deployed. (Cross-ref: REACT safety protocols)
Inhaled nanoparticulate within pulmonary cavity interface directly with alveoli. Carries out oxygen and gaseous exchange. Induces coma-like state. Operators must be extracted from environment back to the PIONEER.
Post-incursion removal of REACT Foam has shown little to no physical after-effects. Psychological assessments are also promising. (INSERT: Sledge - It sounds freakier than it is. You fall asleep in the field and you wake up in bed. Not a bad proposal.)