(InvestigateTV) - A program at the National World War II Museum in New Orleans is helping families learn about their loved ones' service by tracking down veterans' official records.

Researchers can find details that include training, medical history, units, battles and promotions.

InvestigateTV's own Tisha Powell used the program to learn more about her grandfather, Ulysses Reed Sr. On Dec. 7, 1941, Japan launched a surprise military attack on the U.S. naval base at Pearl Harbor in Oahu, Hawaii.