Buzz Aldrin 1969 Buzz plants his boot in the soil for the boot penetration (soil mechanics) task and records the result a few metres in front of the lunar module. (Apollo 11)
Black and white photograph NASA Project Apollo Archive, AS11-40-5880
One of five photographs taken by Buzz Aldrin with the Hasselblad for Bootprint Penetration Experiment, 5876-80.
