American marines are training Chadian forces in antiterrorism techniques.
Chadian forces have also received some training on how to use the masks, the officials said.
On 7 February, in the evening Chadian and French forces entered the town of Aguelhok.
Its capture would mark the biggest victory by Chadian forces since they mounted a drive to reconquer the north last December.
The remaining vehicles fled into the eastern part of the country while pursued by Chadian forces.
The Government announced today that there was continued fighting between retreating Libyans and the Chadian forces.
During the summer, Chadian forces burned eighteen Sudanese villages and abducted 100 civilians.
According to local sources, Chadian forces have already begun to withdraw troops prior to the formal announcement, including a mechanised battalion.
Chadian forces are equipped with anti-aircraft missiles.
That's a fine advertisement for Toyota, an even better one for the ingenuity of the Chadian forces.