Cassidy begins the spacewalk in darkness on July 16 ... A single drop hit his helmet visor, which was coated with a soapy material to prevent fogging, and bounced back into his eye.

Cameras mounted inside and outside the Crew Dragon, along with others attached to the spacewalkers' helmets ... The goal of the one-hour 46-minute spacewalk was to help company engineers perfect ...

The water has also almost completely covered the front of my visor, sticking to it ... and a damp absorption pad in his helmet at the conclusion of his spacewalk. In a report released in January ...