AR RAMADI, Iraq (Oct. 27, 2005) -- Like many new Marines fresh out of their military occupational specialty school, Lance Cpl. Richard D. Poulis was worried he wouldn't know anyone in his unit. The 26-year-old from Houston didn't carry that concern long, though. He soon encountered someone he knew all to well, Gunnery Sgt. Walter G. Siquieros, his senior drill instructor from Marine Corps Recruit Training Depot San Diego. "I did a double take when I saw him at (Camp San Mateo, Marine Corps Base Camp Pendleton, Calif)," said Poulis. Poulis and Siquieros were checking into 1st Battalion, 5th Marine...