Ch-9.2-26 FDNY Command and Control Outside the Towers Ch-9.2-27 NYPD Response Ch-9.2-28 Interaction of 911 Calls and NYPD Operations Ch-9.2-29 PAPD Response Ch-9.2-30 OEM Response Ch-9.2-31 Summary Ch-9.2-32 From 9:59 until 10:28 A.M. Ch-9.2-33 Civilian Response in the North Tower Ch-9.2-34 FDNY Response Immediate Impact of the Collapse of the Ch-9.2-35 Initial Evacuation Instructions and Communications Ch-9.2-36 FDNY Personnel above the Ground Floors of the North To Ch-9.2-37 Other FDNY Personnel Ch-9.2-38 NYPD Response Ch-9.2-39 Port Authority Response Ch-9.2-40 After 10:28 A.M. Ch-9.3-41 EMERGENCY RESPONSE AT THE PENTAGON Ch-9.4-42 ANALYSIS Ch-9.4-43 Civilian and Private-Sector Challenges Ch-9.4-44 Lack of Protocol for Rooftop Rescues Ch-9.4-45 Lack of Comprehensive Evacuation of South Tower Immedi Ch-9.4-46 Impact of Fire Safety Plan and Fire Drills on Evacuati Ch-9.4-47 Impact of 911 Calls on Evacuation Ch-9.4-48 Preparedness of Individual Civilians Ch-9.4-49 Challenges Experienced by First Responders The Challen Ch-9.4-50 Command and Control within First Responder Agencies Ch-9.4-51 Lack of Coordination among First Responder Agencies Ch-9.4-52 Radio Communication Challenges