A French Rafale fighter jet lands in Ndjamena, Chad, before being deployed in Mali, in this picture provided by the French Military Communications Audiovisual office (ECPAD) and taken on January 13, 2013. Al Qaeda-linked Islamist rebels in Mali launched a counter-offensive on Monday after three days of strikes by French fighter jets on their strongholds in the desert north, vowing to drag France into a long and brutal ground war. Photo taken January 13, 2013. Mandatory Credit. REUTERS/Adj. Nicolas-Nelson Richard/ECPAD/Handout