Two-man rule

（重定向自No lone zone）

Sealed Authenticator System safe at a missile launch control center with two crew locks

The two-man rule is a control mechanism designed to achieve a high level of security for especially critical material or operations. Under this rule all access and actions requires the presence of two authorized people at all times.

单词	No lone zone
释义	No lone zone 英语百科 Two-man rule （重定向自No lone zone） The two-man rule is a control mechanism designed to achieve a high level of security for especially critical material or operations. Under this rule all access and actions requires the presence of two authorized people at all times.
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