Internal Investigations Unit 419

Internal Investigations Unit 419, sometimes called The Exterminators and Task Force Coyote, is a partnership between various government, military, and law enforcement agencies charged with investigating and managing action against extraterrestrial threats residing in North America.
Coordinated between elements of the URNA Armed Forces, the URNA Department of Homeland Security, and the , the operating framework of Unit 419 was inspired by activities against Covenant leadership during the in . Transitioning from open-warfare to internal security affairs, Unit 419 employs military and law enforcement personnel, particularly veterans, to investigate the ongoing presence and activities of aliens living on and respond with whatever means deemed appropriate including deadly force or indefinite detention.
Unit 419 maintains a limited international presence, providing expertise and assistance to less experienced, contemporary organizations across UEG territory. They participated in several key actions after the Covenant War including the Bombing of Philadelphia and .
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