HELPING HAND U.S. Navy Seaman Robert Weiss holds his MCU-2P gas mask in place while a fellow Seabee tightens his overhood during a chemical, biological and radiological warfare drill on Naval Construction Battalion Center, Gulfport, Miss., Oct. 24, 2008. Weiss is a utilitiesman constructionman apprentice assigned to Naval Mobile Construction Battalion 1. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 351251-G-EFK58-799.jpg Photo Gallery