(NationalSecurity.news) In the days before Turkish fighter planes shot down a Russian Su-24 fighter/bomber near the Syrian border, Ankara’s diplomats …
http://www.nationalsecurity.news/2015-11-25-turkey-sent-warning-to-russia-days-before-shooting-down-one-of-moscows-warplanes
(NationalSecurity.news) U.S. and Russian warplanes recently flew within 10 to 20 miles of each other – well within visual contact …
http://www.nationalsecurity.news/2015-10-19-u-s-russian-warplanes-flying-within-visual-contact-of-each-other-in-syria-as-d-c-moscow-search-for-way-to-avoid-direct-conflict