International Boy Scouts, Troop 1 1963 and 1965 he was awarded the first of the Korea Scout Association's distinguished service awards, also called the Silver Cuckoo, in 1966. Mittwer participated as a staff member at the 12th World Scout Jamboree in 1967 in Idaho, U.S.A. and, at the conclusion of the Jamboree and in connection with the 21st World Scout Conference held in Seattle, Washington, he was presented a Scout Friendship Certificate by the WOSM in recognition of his contribution to international Scouting. He initiated an exchange program between the Incheon District of the Korea Scout Association and the Kanagawa Council of the Boy Scouts
The Scout Association held in Olympia, London in 1920 together with an international conference for leaders which founded the World Organization of the Scout Movement of which The Boy Scouts Association was a founding member. Baden-Powell continued to guide the Scouts and Girl Guides, going on world tours throughout the rest of his life until ill health caused him to retire to Kenya in 1938 where he died on 8 January 1941. "The Boy Scouts Headquarters Gazette" was first published in July 1909, as the official publication of the association for adult Scouters and administrators, alongside "The Scout", a magazine for youth members