All kinds of sensitive military operations are conducted by 21-year-olds, such as nuclear missile maintenance and readiness: > "The film starts in September 19

All kinds of sensitive military operations are conducted by 21-year-olds, such as nuclear missile maintenance and readiness: > "The film starts in September 1980, when a 21-year-old missile technician named Dave Powell dropped the socket from a socket-wrench... When the socket fell, it plunged 70 feet to pierce the side of the Titan II missile. The puncture released pressurized rocket fuel and set off a chaotic series of events and decisions that highlighted a chain of command ill-prepared to deal with disaster." https://www.theverge.com/2017/1/10/14232574/command-and-controll-titan-2-damascus-arkansas-nuclear-accident-1980 https://www.theverge.com/2017/1/10/14232574/command-and-cont... Chelsea Manning was 20 years old and had full access to State Department cables and secret military video, for comparison. The military aims recruiting heavily towards teenagers, incidentally, for various reasons. Older people with more independent thinking might be even more willing to leak data about government incompetence, criminal activity, reckless stupidity and so on.