OPB says they were told it would be Thursday at the earliest and more likely sometime next week until we see boots on the ground. They also said that it hasn’t been determined yet where the troops will be stationed or whether they’ll be armed.

Article also states that up until today, even police and officials had no idea what the helicopter was that’s been circling at night. It was only confirmed today that it is a U.S. Customs and Border Protection black hawk after the FBI arrested four people and handed them in to ICE custody after one of them allegedly shined a laser pointer at it from their home.
https://www.opb.org/article/2025/09/29/oregon-national-guard-deployment-/