No One Left Behind is a Codex featured in Tom Clancy's Rainbow Six Extraction. It is unlocked by completing the No One Left Behind objective during an incursion.
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No One Left Behind Protocol guidelines: Classified Top Priority Level Alpha. Operator(s) will immediately tend to any incapacitated squadmate and safely deliver them to the nearest REACT Extraction Pod.
Operators are to first ensure their own safety and then prioritize this protocol over current Obiectives.
REACT Foam will deploy and protect the KO Operator from infection and any additional dangers. Squadmates must be exfiltrated first before any standing Operator leaves the zone or risk an MIA incident as outlined in REACT Incursion Guidelines Section A12.