Lander Egress Tests Conducted with VIPER Prototype

NASA has conducted lander egress tests with a prototype of its VIPER (Volatiles Investigating Polar Exploration Rover) Rover. The test proved VIPER's ability to drive off the Astrobotic Griffin lunar lander and onto the lunar surface. Called an egress, this hours-long operation is one of the most critical and trickiest parts of VIPER's 100-day mission. …