Under a subsection called “Executive communications” in the Congressional Record on April 28, 2014 was mention of a a particular letter concerning “Response Strategies for Potential Aircraft Threats.”
It read as follows:
5441. A letter from the Director, Office of Congressional Affairs, Nuclear Regulatory Commission, transmitting the Commission’s final rule — Response Strategies for Potential Aircraft Threats, Regulatory Guide 1.214, Revision 1 received April 11, 2014, pursuant to 5 U.S.C. 801(a)(1)(A); to the Committee on Energy and Commerce.
Source: Congressional Record http://thomas.loc.gov/
According to a source in the United States Senate:
“The document – 2014-06575 (Response Strategies for Potential Aircraft Threats) will be made available for those individuals who have established a “need-to-know” and possess access permission to “Official Use Only” -Security Related Information (OUO-SRI).”
See related article: Fourth 9-11 hijacked plane’s target possibly a nuclear power plant https://groundreport.com/fourth-9-11-hijacked-planes-target-possibly-a-nuclear-power-plant/