NASA Tours and Trips arranged in chronological order by date of trip, documents GML's international travels on NASA business. Included are GML's 1966 tour of Latin America with astronauts Neil Armstrong and Richard Gordon; a number of trips to the Soviet Union to develop the diplomatic and technological cooperation necessary for the 1975 Apollo Soyuz Test Project (ASTP) flight; and trips to Africa and the Yucatan Peninsula to inspect NASA's cooperative satellite projects with the GARP Atlantic Tropical Experiment (GATE) and Jacques Cousteau's ship Calypso. Trip materials generally include GML's informative trip report and trip notes, which describe his activities as well as his impressions of countries and individuals.