Paul J. Freeman, 68, of Niceville, Florida, was charged with nine counts of illegally retaining and leaking information on Air Force aircraft and weapons.
As the U.S. withdraws 1,000 troops from Niger, the top U.S. military officer said other West African nations may be open to an expanded American presence.
Gen. CQ Brown said military leaders are working closely with Israeli forces to ensure U.S. troops are kept safe during their humanitarian mission in Gaza.