Collection of five Apollo 16 mission insignia patches, including three slightly different variations of a 4″ diameter patch, and two 3″ diameter patches. In overall fine condition. From the collection of Dan Schaiewitz, who worked as Extravehicular Crew Training Engineer at KSC. View Dan's many Collect Space posts here. Engineer Dan Schaiewitz gives us a fascinating firsthand glimpse into his experiences on the cutting edge of space exploration during the Apollo missions, in this podcast.