This 21 July 2004 article from the internal NSA newsletter SIDToday desribes the opening of the NSA’s facility at Yokota Air Base, which was largely funded by the Japanese government: see the Intercept article Japan Made Secret Deals With The NSA That Expanded Global Surveillance, 24 April 2017.
A post from the internal NSA newsletter SIDToday dated 6 November 2003 describes how the agency shared intercepted material from international NGOS and treaty monitoring organisations working in the health sector with the DIA’s Armed Forces Medical Intelligence Center. The DIA unit was tasked with producing intelligence for the military “in support of force health protection”, particularly in the field of epidemiology: see the Intercept article How the U.S. Spies on Medical Nonprofits and Health Defenses Worldwide, 10 August 2016.
These three short extracts from the 2013 Intelligence Community Budget Justification (“the Black Budget”) shows that Israel was seen as a counter-intelligence target: see the Intercept article Netanyahu’s Spying Denials Contradicted by Secret NSA Documents, 25 March 2015.
These three undated NSA slides describe alleged Chinese cyberattacks against US military targets, codenamed BYZANTINE HADES: see the Der Spiegel article The Digital Arms Race: NSA Preps America for Future Battle, 17 January 2015.
This undated NSA presentation describes techniques for repurposing third party attack tools: see the Der Spiegel article The Digital Arms Race: NSA Preps America for Future Battle, 17 January 2015.
This extract from the US Intelligence Community’s Congressional Budget Justification for the Fiscal Year 2013 (the “Black Budget”) provides the budget for GENIE the project “which underpins NSA/CSS’ Computer Network Operations (CNO) Endpoint capabilities conducted by the Tailored Access Operations (TAO) Group: see the Der Spiegel article The Digital Arms Race: NSA Preps America for Future Battle, 17 January 2015.
This NSA classification guide dated 1 February 2010 details the sensitivity of particular aspects of the joint NSA/Department of Defense Crytographic Modernization Program: see the Der Spiegel story Prying Eyes: Inside the NSA’s War on Internet Security, 28 December 2014.