EDWARDS AIR FORCE BASE, Calif. (AFNS) -- Members of the 418th Flight Test Squadron are testing a new parachute canopy for the Advanced Concept Ejection Seat II. Testers are collecting data on the GR7000 parachute, which has been proposed to replace the current C-9 canopy used in the ACES II ejection seat. The testing is part of the Air Force’s ACES II Safety and Sustainability Improvement Program.