Sherill Moulton, left, a flight attendant for United Airlines, and Sara Nelson, right, a flight attendant for American Airlines, comfort each other as they tour a memorial dedicated in Boston, Tuesday, Sept. 9, 2008, to passengers and crew killed on planes that flew from Logan International Airport on Sept. 11, 2001. Both women had colleagues who were killed on the planes. The 8:14 a.m. departure time for Flight 175 is inscribed on the panel, rear.