미국 2018 핵태세 검토보고서(NPR)
* 출처 : Jane’s Defence Weekly, 7 December 2016, p. 14; Jane’s Defence Weekly, 26 April, 2017, p. 6; The New York Times International Edition, August 29, 2017, p. 1 & 6; The New York Times International Edition, January 15, 2018, p. 14 및 2018 Nuclear Posture Review, White House, Washington, DC, 2 February, 2018.
