Former President Jimmy Carter and former Secretary of State Condoleeza Rice spoke Wednesday at the tribute service.
Friends of Jacobs say he will be remembered as an ethical and generous man.
Cpl. Robert Archer was killed in the 1950s during the Korean War, but his remains were just recently returned to the U.S.
Brazil, Ind., is preparing ceremonies for Spc. Arronn Fields on Monday and Tuesday.
A service for the campus community will be held Saturday.
Many attended a community-wide military funeral in Spencer for the fallen Private Brett Wood.
Thousands from around the world came to pay their respects Saturday to medical group founder and philanthropist Bill Cook.
Beginning January 1, officials will no longer accept paper death certificates. The change is expected to improve accuracy.