F-22 Raptor vs Sukhoi Su-35

https://www.theatlantic.com/national/archive/2011/03/the-f-35-a-weapon-that-costs-more-than-australia/72454/
http://edition.cnn.com/2017/05/23/politics/trump-defense-budget-increase/
http://www.businessinsider.com/r-lockheed-martin-a-winner-in-trumps-2017-supplemental-request-2017-3
http://www.defensenews.com/articles/30-years-f-35-too-big-to-fail
https://en.wikipedia.org/wiki/Lockheed_Martin_F-35_Lightning_II
https://en.wikipedia.org/wiki/Lockheed_Martin_F-22_Raptor
https://www.historyinorbit.com/30-facts-about-the-f-22-raptor-that-will-blow-you-away/
https://www.quora.com/Why-does-the-USAF-need-the-F-35-when-the-F-22-has-not-been-used-in-combat
http://nationalinterest.org/feature/the-f-22-raptor-the-worlds-best-fighter-it-has-secret-weapon-18549
https://en.wikipedia.org/wiki/Lockheed_Martin_F-22_Raptor
http://www.businessinsider.com/how-su-35s-and-f-22s-compare-2016-4
http://www.airforce-technology.com/features/feature-world-most-advanced-fighter-aircraft-f35/
http://content.time.com/time/photogallery/0,29307,1912203,00.html
http://nationalinterest.org/blog/the-buzz/the-real-reason-the-us-air-force-wont-build-new-f-22-raptors-15920
http://www.sukhoi.org/eng/planes/military/Su-35/
http://www.aviatia.net/f-22-raptor-vs-sukhoi-su-35/
http://www.realcleardefense.com/articles/2015/11/05/the_f-35_vs_the_russian_su-35_and_the_pak_fa_108649.html
http://www.defenseindustrydaily.com/f-22-raptor-capabilities-and-controversies-019069/
http://nationalinterest.org/blog/the-buzz/russias-new-pak-fa-stealth-fighter-has-big-problem-19734
https://en.wikipedia.org/wiki/Sukhoi_PAK_FA