No American or Nigerien forces were harmed in the December gun battle. But the combat — along with at least 10 other previously unreported attacks on American troops in West Africa between 2015 and 2017 — indicates that the deadly Oct. 4 ambush was not an isolated episode in a nation where the United States is building a major drone base. After the ambush, senior officers at United States Africa Command, which oversees American military operations on the continent, imposed additional measures to enhance the safety of troops on missions that were designed to train and advise local forces in Niger. But the missions did not end. On the morning of Dec. 6, a combined force of Nigerien and American troops “came under fire from a formation of violent extremists,” Samantha Reho, a spokeswoman for Africa Command, said in a statement to The New York Times on Wednesday.
She said the gun battle killed 11 militants — including two wearing suicide vests — who were believed to be affiliated with the Islamic State in West Africa. No American or Nigerien forces were killed or wounded, she said. It was the first time the American military has acknowledged the December firefight, and Ms. Reho gave no explanation for the Pentagon’s failure to disclose the episode at the time. The head of Africa Command, Gen. Thomas D. Waldhauser, did not mention the December battle in testimony to Congress this month and only broadly outlined the threats in the region. A senior House Republican aide said on Wednesday that lawmakers had been notified about the Dec. 6 attack soon after it happened.
Nigerien Army soldiers conducting an exercise last month. After four American soldiers were killed in an October ambush, the United States imposed additional safety measures to protect troops on missions helping local forces in Niger. But the missions did not end.
Defense Secretary Jim Mattis is reviewing the results of a lengthy internal investigation into the October ambush, near the border with Mali, which set off a widespread debate about why American troops are fighting a shadowy war in Niger. A military official said on Wednesday that Mr. Mattis was wrestling with the investigation’s apparent attempts to blame low-level commanders for the deaths of the four soldiers and not implicate senior officers. The families of the soldiers — Staff Sgt. Bryan C. Black, Staff Sgt. Dustin M. Wright, Staff Sgt. Jeremiah W. Johnson and Sgt. La David Johnson — have not been told of the investigation’s conclusions, said the military official, who spoke on the condition of anonymity because the findings have not yet been released. The Pentagon appears ready to scale back military operations in West Africa even further. A draft of the investigation, parts of which were described to The Times in February, called for the military to reduce the number of ground missions, and to strip commanders in the field of some authority to send troops on potentially high-risk patrols.
Between 2015 and 2017, there were about 10 instances of American troops and local training partners being attacked in Niger and elsewhere in West Africa, said Brig. Gen. Donald C. Bolduc, the former commander of United States Special Operations in Africa. Enemy fighters were killed in some of those unreported episodes, General Bolduc said on Wednesday, but there were no American casualties. The existence of the Dec. 6 firefight was referenced in a terse line in an unclassified report the Trump administration gave to Congress this week about its legal and policy views on using military force. That report, obtained by The Times, mentioned only that a joint American-Nigerien force was attacked by a group of presumed Islamic State militants on that date, and returned fire “in self-defense.”
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