The resources below are books, articles, and other media that are useful references for aspects of this topic. When they are complete, each reference will be described and tagged. See here for an example of a more or less complete entry.
Ambinder, Marc. "Failure Shuts Down Squadron of Nuclear Missiles." The Atlantic. October 26, 2010. https://www.theatlantic.com/politics/archive/2010/10/failure-shuts-down-squadron-of-nuclear-missiles/65207/.
Conley, Jerome M. "Nuclear Command and Control in the Twenty-First Century: Trends, Disparities, and the Impact on Stability." In Debating 21st Century Nuclear Issues, edited by Owen Price and Jenifer Mackby, 226-250. Washington, D.C.: Center for International and Strategic Studies, 2007. https://www.csis.org/analysis/debating-21st-century-nuclear-issues.
Futter, Andrew. "The double-edged sword: US nuclear command and control modernization." Bulletin of the Atomic Scientists. June 29, 2016. https://thebulletin.org/2016/06/the-double-edged-sword-us-nuclear-command-and-control-modernization/.
Giles, Gregory F. "Safeguarding the Undeclared Nuclear Arsenals." The Washington Quarterly 16, no. 2 (spring 1993): 173-186. https://doi.org/10.1080/01636609309443403.
Podvig, Pavel. "Risks of Nuclear Command and Control Accidents." In Understanding Nuclear Risks, edited by John Borrie, Tim Caughley, and Wilfred Wan, 53-59. Geneva, Switzerland: United Nations Institute for Disarmament Research (UNIDIR), 2017. http://www.unidir.org/files/publications/pdfs/understanding-nuclear-weapon-risks-en-676.pdf.