 He specialised in UN issues, even serving as a periodic consultant including a special mission in the Congo for Secretary-General U Thant.In 1967, under the leadership of Henry Richardson Labouisse, Jr.; Childers was hired to lead a United Nations, UNICEF & UNDP programme called Development Support Communication; or DSCS.In 1968, Childers co-authored a paper with United Nations colleague Mallica Vajrathon called "Project Support Communication," later published in an important anthology about social change.