Mutual aid EMS call to Rivercrest Street in Great Falls Heard on: Fairfax County Fire and Rescue 00:21 00:00 Medic 439 on channel 6 Bravo, box 61805, mutual aid, EMS (number withheld), Rivercrest Street, Cross Street, River Forest Drive. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Medic 439 on channel 6 Bravo, box 61805, mutual aid, EMS (number withheld), Rivercrest Street, Cross Street, River Forest Drive. 00:11 Medic 439 on channel 6 Bravo, box 61805, mutual aid, EMS (number withheld), Rivercrest Street, Cross Street, River Forest Drive. 2026-09-18 18:37 UTC Medical Emergency River Forest Dr, Great Falls, VA 22066 View on map