On July 26, President Obama issued Presidential Policy Directive (PPD) 41 on United States Cyber Incident Coordination.
Aside from the intrinsic interest of this document, it signifies an unexplained burst in the production of Presidential Policy Directives since the public release of PPD 30 in June 2015. Instead of the previous average of around 5 presidential directives issued per year, President Obama produced about ten PPDs in the past 12 months.
With one exception, even the subject matter of PPDs 31 through 40 is publicly unknown.
The exception is PPD 35 on United States Nuclear Weapons Command and Control, Safety, and Security, which was issued on December 8, 2015. PPD 35 was publicly referenced by the Department of Defense in the April 2016 DoD Instruction 5210.42 on DoD Nuclear Weapons Personnel Reliability Assurance.
PPD 35 presumably modifies and supersedes President GW Bush’s 2003 National Security Presidential Directive (NSPD) 28, which was identically entitled United States Nuclear Weapons Command and Control, Safety, and Security.
But since neither the text of NSPD 28 nor that of PPD 35 have been made public, the substance of any changes that were made to U.S. nuclear weapons policy by the later directive is not known.
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FAS is eager to see implementation of metascience to measure what works, promote novel and effective research programs such as the work of the NSF X-Labs program, and create policy that enables the AI-enabled scientific enterprise to reach its full potential, safely.