elatives and friends are invited to Maria's Life Celebration on Friday, November 21 from 6 to 9pm at the GEORGE P . KALAS FUNERAL HOME, 6160 Oxon Hill Rd., Oxon Hill, MD. Mass of Christian Burial will be offered at 10:30am at St. Columba Catholic Church, 7800 Livingston Rd., Oxon Hill, MD 20745. Interment Arlington National Cemetery at a later date.