The Dual WorldThrilling Wonder Stories - June 1938 https://pulpcovers.com/wp-content/uploads/2019/06/Thrilling-Wonder-Stories-June-1938.jpgAlso includes Terror in Utopia and Murder In The Void via info headinginfo contentAlso includes Terror in Utopia and Murder In The Voidvia
“Let’s fly to another planet!” “OK, but the dress code is white shirt and tie.” “No problem. I just hope we don’t run into hostile aliens with sticks for arms!”Reply
“Let’s fly to another planet!” “OK, but the dress code is white shirt and tie.” “No problem. I just hope we don’t run into hostile aliens with sticks for arms!”
Those are Mormon missionaries on a foreign proselyting mission (to an alien planet).