From the source:American servicemen initially traveled to…

From the source:

American servicemen initially traveled to Vietnam aboard World War II-era troopships like the General Nelson M. Walker. Nearly 5,000 Marines and G.I.s crowded the Walker on each three-week voyage from Oakland, Calif., to Danang or Qui Nhon, South Vietnam. Credit: Art and Lee Beltrone, Vietnam Graffiti Project, Keswick, Va.