Crew 18 completed 14 separate EVA's from April 28 to May 10, 2003. There were 4 pedestrian only EVA's, 8 ATV EVA's and 2 pressurized rover EVA's. The longest EVA was a pressurized rover sortie which lasted over 8 hours. The shortest was a pedestrian EVA to retrieve biology experiments around the Habitat that lasted only 1 hour and 33 minutes. That time included the 30 minute pre-breathe and 5 minute re-pressurization in the airlock.

Our proudest EVA moment was finding a quick and easy path on ATV's to Factory Butte on May 7, 2003, which complied with our simulation protocols. This EVA was the culmination of work from two previous EVA's and was a realistic model for how real Mars exploration might be conducted.