Rosoboronexport, Russian state armaments' export company, could face difficulties in fulffilling future orders, chairman of the company's board of advisers Alexander Brindikov said yesterday. Rosoboronexport sold weapons for $7 billion in 2008 and has a portfolio of orders for an overall amount of about $27 billion. Tipically Moscow supplies Sukhoi and MiG fighters, Mil helicopters, tanks and armoured...