We explain here.
The Su-35 may be the best jet-age dogfighter ever made and a capable missile delivery platform—but whether that will suffice for an air-superiority fighter in the era of stealth technology remains to be seen.
The Sukhoi Su-35 Flanker-E is the top Russian air-superiority fighter in service today, and represents the pinnacle of fourth-generation jet fighter design. It will remain so until Russia succeeds in bringing its fifth-generation PAK-FA stealth...
Read this story at The National Interest