Mt bigsky, this is a Google translation of, what I think, is the parachute system. Also, I think the STRATXX project was thinking of using a glider system for the same purpose of payload recovery.
Parachute recovery system
Recovery of a payload systems and unmanned altitude platform in case of system failure
Use the altitude platform
Flight experiments of air worm
in medium altitudes (<10km)
at high altitudes (up to 20km)
Guided Fallschirmabwürfe
Precise Abwürfe of goods from the aircraft
Tragkapazität of 1t possible to 5t
System requirements
Unfolding at high speeds and at high altitudes
Autonomous control system on board
Control modes: manual, goal-oriented, autonomous