May 20, 1969

7-second firing of craft's rocket adjusts flight path; craft's speed has slowed down to 3,061 mi an hr; Stafford complains water supply's chlorine content has become distastefully high; drinking water tank is drained and filled with freshly generated water from craft's fuel cells; flight controllers say problem was probably caused because water system valve was left shut, preventing proper mixture of chlorine into tanks; astronauts show more color TV pictures of earth; Stafford turns Young upside down to demonstrate weightlessness; illus; Young shows drawings of C M Schulz comic strip characters Charlie Brown and Snoopy; illus; astronauts have nicknamed command ship Charlie Brown and lunar module Snoopy; schematic diagram shows mission's highlights

White House expected to announce plans for early meeting in Pacific between Nixon and Nguyen Van Thieu; hurried arrangements, coming less than wk after Nixon s, taken as indication White House wants to demonstrate solidarity with Saigon Govt and head off dangers of split over negotiating terms and tactics; speculation

Sec Laird appeals to enemy for prompt release of all Amer POWs, news conf; calls for immediate release of sick and wounded among 500-1,300 Amers believed held; says there is no evidence POWs are treated humanely; Nixon Adm sources say 1 purpose of news conf is to try to marshal pub opinion in effort to obtain agreement on release of POWs; Laird says neither N Vietnam nor Vietcong has been willing to supply names of POWs as required by '49 Geneva convs; Adm officials say there has been no progress since last Dec in private contacts on POW releases; Laird says Adm hopes for progress in talks; Amer POW being guarded by enemy soldiers illus

Slain by Negro ptl, Newark, NJ; slaying sparks racial disorders