Nixon in open car in Poland, a quarter million line the tour route, Nixon's plane arrives in Washington, 4000 throng the airport, Nixon speaks, drives to White House, reports to Ike with Milton (partial newsreel)
This file is incomplete; in other sources the newsreel (series 32, number 63) is more than twice as long. Here's the NARA record in case they ever digitize it: https://catalog.archives.gov/id/2050166