2015 Russian Sukhoi Su-24 shootdown (in the meantime, there had been a coup d'état attempt against him), Erdogan announced in an interview that the two Turkish pilots who downed Russian aircraft were arrested on suspicion that they have links to the Gülen movement. And that a court should find out "the truth". The MICEX and RTS Index, and Borsa Istanbul fell over 1%. The Turkish lira also dropped following news of the shootdown, as did broader European stock markets. 2015 Russian Sukhoi Su-24 shootdown A Turkish Air Force F-16 fighter jet shot down a Russian Sukhoi Su-24M attack aircraft near the Syria–Turkey border on 24
Sukhoi-Gulfstream S-21 speeds. As of 2012, the project had not received any funding for the 2013-2025 development period and appeared to be cancelled. Sukhoi-Gulfstream S-21 Sukhoi-Gulfstream S-21 was a projected Russian-American supersonic business jet. In the early 1990s, Gulfstream Aerospace and the Sukhoi Design Bureau began a joint effort to develop a supersonic small business jet, code named the S-21. Due to questionable market demand for commercial supersonic air travel, commitment to the project weakened and delays mounted. Gulfstream eventually dissolved the partnership, although Sukhoi continued work on the S-21. The S-21 would be capable of sustained cruise at Mach 2+ and