In his Baccalaureate address May 31, U.S. Army Gen. David Petraeus, a Princeton alumnus and commander of the U.S. Central Command, urged members of the class of 2009 to pursue public service -- stressing that the best and brightest are needed to tackle local, national and international challenges. "Princeton has uniquely prepared you for such service," Petraeus said.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

Seniors shared moments of reflection with family members and friends as they awaited the service.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

Accompanied by colorful kites, members of the class of 2009 approached the University Chapel for the interfaith worship service.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

Seniors filled the chapel for the Baccalaureate service, which dates back to 1760, when the graduating class comprised 11 students.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

Wasim Shiliwala was one of several seniors who read during the service, which included prayers and readings from various religious and philosophical traditions.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

In introducing Petraeus' Baccalaureate address, Princeton President Shirley M. Tilghman paid tribute to his leadership in rethinking American military strategy in Iraq.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

Seniors listened intently during the ceremony, which is one of Princeton's oldest traditions.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)

Petraeus engaged with students and family members after the ceremony.

Photo: Princeton University, Office of Communications, Denise Applewhite (2009)