[Red Badger]

Russia has unveiled its new fleet of 'invisible' supersonic fighter jets (pictured), boasting that they are the envy of air forces around the world. Two of the jets are pictured on Saturday during an air display event as part of an aviation festival marking the 105th anniversary of the establishment of the Russian Air Force

[ThunderSleeps]

looks like lots of edges, seams, and cavities - lots of things that generate radar returns. As others have pointed out, those engines don’t seem to have any bypass airflow, they are going to be IR searchlights. Well, it may be low observable from some aspects....