Federal agents observe the crowd of protesters outside of the ICE building on Sept. 28 in Portland, Oregon. (Mathieu Lewis-Rolland | Getty Images North America)Chicago is bracing for a possible National Guard deployment while Memphis and Portland, Ore. prepare for the arrival of National Guard troops. Meanwhile, Memphis and Portland were preparing for Guard troops in the coming days. A website launched by the city government , said that Guard members will serve as extra “eyes and ears” to local law enforcement. Leaders in Washington, D.C. and California have also lodged suits against the administration, challenging the use of federal troops in recent months.