NASA Research Announcement. An NRA is used to announce research interests in support of NASA's programs. After peer or scientific review, based on factors in the NRA, proposals are selected for funding. Unlike an RFP containing a statement of work or specification to which offerors are to respond, an NRA provides for the submission of competitive project ideas, conceived by the offerors, in one or more program areas of interest. NRAs may result in grants, contracts or cooperative agreements.
NASA Research Announcement, an announcement that science proposals to NASA are solicited. NRAs generally involve basic scientific research with end-products that are expected to be published in the scientific literature. These are smaller programs than AOs (see above) or RFPs (see below).