The Su-27 shootdown, although far from the first over Ukrainian skies, was particularly notable due to the 217km range at which it was achieved - making it by far the longest-ranged fighter shootdown on record
Su-57
This is not the first time that Russian media sources claim that Su-57s are involved in combat operations over Ukraine
What can Ankara do to sustain aerial firepower? A Russian fighter seems the only feasible option, but even that may come too late
Ankara will probably respond to a Greek F-35 deployment by purchasing a Russian jet like the Su-57 & the US would like to avoid that from happening
Russian state media claims the Su-57 fighter is undergoing unmanned flight testing
The fighter jet crashed during factory tests
As in damaging the chances of Russia going all-in on the Su-57?...
"We must call upon members of NATO to determine if Turkey presents a danger to the alliance"
Moscow may also help Ankara create its own TF-X fifth-generation fighter
Russia revealed the design of a new sixth-generation fighter aircraft for the first time in March 2016