GREET aims to provide intensive, high impact international research experience and collaboration opportunities to U.S. early- to mid-career researcher mentor and mentee teams. Research teams are asked to establish new international collaborations with a host academic, industrial, or institutional partner of their choosing and travel to their site for a research, training, outreach, or educational experience. Teams are asked to consider how to engage the community at their home institution upon their return and also consider how to continue their new collaboration with their host institution/laboratory.