Russian Navy to have 50 Su-30SM by 2020
The Russian Navy received two Su-30SM fighters on Aug 17 and the service will have 50 such fighters by 2020.
By Alex Beltyukov (http://russianplanes.net/id145423) [CC BY-SA 3.0, CC BY-SA 3.0 or GFDL 1.2], via Wikimedia Commons
Source: Russian Navy to have 50 Su-30SM by 2020