The United States has deployed 80 military personnel to Chad to help regional efforts to rescue more than 200 schoolgirls kidnapped in neighboring Nigeria, President Barack Obama said Wednesday.

The United States has deployed 80 military personnel to Chad to help regional efforts to rescue more than 200 schoolgirls kidnapped in neighboring Nigeria, President Barack Obama said Wednesday.

"These personnel will support the operation of intelligence, surveillance and reconnaissance aircraft for missions over northern Nigeria and the surrounding area," Obama said in a letter to Congress.