Venezuelan Sukhoi 30 shadowing a U.S. Navy EP-3, July 2019.
Thermal camera video of Venezuelan Su-30:
Ukrainian Su-27/30, Starokostiantyniv Air Base during NATO wargame Clear Sky 2018.
F-15 Eagle taxis past Sukhoi 27s.
Video, Russian Su-27s sneak a look at U.S. Navy EP-3E, January 2018:
Su-30, the main difference between the Su-27UB and Su-30 is that the Su-30 is a fully combat capable multi-role aircraft, while the Su-27UB is a trainer.
Video, Russian Su-27 streaks past U.S. Navy EP-3E, January 2018:
The Su-30 is slightly longer and taller than the Su-27UB, and can also be equipped with canards and thrust vectoring afterburners.
Video, U.S. F-15s mingle with Russian Su-30s over the Baltic Sea, November-December 2017:
Su-27 v B-52H, Baltic Sea, June 2017.
Su-27 v B-1B, Baltic Sea, June 2017.
Su-27 v RC-135U, Baltic Sea, June 2017.
Video, Russian Knights 2016:
Indian Su-30MKI on Eielson Air Force Base, Alaska, May 2016. Good size comparison with the much smaller F-16.
Malaysian Su-30MKM, Singapore International Airshow, 21FEB2016.
Russian Su-27 takes part in U.S. Vigilant Eagle-13, over Alaska, August 2013.
Su-27, Canadian F-18 (CF-18) and an Ilyushin 62 over Cold Lake, Canada, August 2013. The Il-62 played the role of hi-jacked airliner, while the Su-27s and CF-18s played escorts.
Malaysian Su-30 fly with F/A-18E, South China Sea, October 2012.
NATO Safe Skies 2011, in Ukraine.
Video, Ukraine SU-27/30 2011:
VEHICLE I-D: MIG-31 SPACE BOUND DOGFIGHTER?