The ER-2 prepares to re-enter the hangar after a flight. Credit: NASA/Andrzej Wasilewski
Some of the pilots, mechanics, engineers and scientists who participated in the ACEPOL field campaign. Credit: Kirk Knobelspiesse (NASA)
Smoke from prescribed fire treatment - conducted to remove timber slash, woody debris, grass, and brush - wafts over Arizona's Shoofly area. Credit: Stu Broce (NASA)
View from the ER-2 cockpit. Credit: Stu Broce (NASA)
The ER-2 taxis to the runway, followed by its chase car. Credit: Kirk Knobelspiesse (NASA)
ACEPOL scientists and engineers in the chase car. Credit: Andrzej Wasilewski (NASA)
The ER-2 pilot boards the aircraft. Because of high flight altitudes, pressurized suits are required. Credit: Andrzej Wasilewski (NASA)
The NASA ER-2 chase car. Because ground visibility and stability are problematic during takeoff and landing, a chase car driven by a pilot accompanies the aircraft to the runway. Credit: Andrzej Wasilewski (NASA)
The ACEPOL team attends a briefing prior to flight. Credit: Andrzej Wasilewski (NASA)
The ACEPOL mission is particularly relevant for PACE because it uses airborne versions of the HARP2 and SPEXone polarimeters. Here, the SPEX-Airborne team performs instrument tests. Credit: Kirk Knobelspiesse (NASA)
ER-2 flight tracks for the ACEPOL field campaign. NASA's high altitude, Lockheed ER-2 Earth resources aircraft are based at the Armstrong Flight Research Center on Edwards AFB. Credit: ACEPOL
ACEPOL was launched in late 2017 to acquire data with advanced active and passive remote sensors. The data will be used to develop and assess algorithms for retrieving profiles of aerosol optical and microphysical properties. Credit: ACEPOL
