(Portland, OR) -- Army and Air Force ROTC students at the University of Portland are conducting a 24-hour vigil at the Praying Hands/Broken Wall Memorial on the school's campus. The memorial was built by the University's Class of 1948 using bricks inscribed with the names of 69 University of Portland students killed in service during World War Two. The memorial was expanded to include other wars and conflicts. A Veterans Day Ceremony will be held at 11 a.m. on Monday