So far, the United States has only shared intelligence from intercepted signals and satellites with France, defense officials said.
U.S. trainers will be in African nations to prepare forces set to be deployed in Mali. Trainers will be in Niger, Nigeria, Burkina Faso, Senegal, Togo and Ghana.
The United Nations is warning of a record number of Malians fleeing to neighboring nations.
The violence could soon displace up to 700,000 in the country and around the region, said Melissa Fleming, a spokeswoman for the U.N. refugee agency.