<p>From Moscow, Ankara's S-400 deal gets a conditional green light: Ukraine must guarantee.</p>
Russia explained that it could warmly welcome the transfer of the S-400 air defense systems Turkey holds to a third country, on the condition that firm guarantees are given that the systems will not reach Ukraine.
ASELSAN:
Lockheed Martin:
Rheinmetall:
BAE Systems:
Thales:
Leonardo:
Saab:
Kongsberg Gruppen:
Indra Sistemas:
Mitsubishi Heavy Ind.:
Hanwha Aerospace:
AVIC Shenyang Aircraft:
Hindustan Aeronautics: