Russia to Modernize Bulgarian MIGs

http://ift.tt/2C80Ke2
The Bulgarian Ministry of Defence invited Russian Aircraft Corporation MiG (RSK MiG) to provide integrated logistical support to maintain the 15 MiG-29 'Fulcrum' twin-engine jet fighters in service for the next four years

from Defense Update:

-
http://ift.tt/2BmNLIF Russia to Modernize Bulgarian MIGs - Wordpress