On Monday, the USS John S McCain collided a Liberian-flagged tanker near Singapore. The incident had serious consequences on the US operation, the Chief of Naval Operations Adm. John Richardson ordered a pause, at the same time the U.S. Navy started an investigation. The investigation aims to exclude the possibility of cyber intrusion or sabotage This is the fourth accident involving US Navy ships in the Pacific this year. Some experts like former Navy information warfare specialist Jeff Stutzman believe the incident was not caused by human errors.”]
Source: http://securityaffairs.co/wordpress/62270/cyber-warfare-2/uss-john-s-mccain-incident.html