This proposal responds to RR&D's Small Projects in Rehabilitation Research Award (SPiRE). There is a strong need to develop, evaluate, and implement translatable interventions aimed at reducing Veteran suicide. Caring contacts for suicide prevention (i.e., staff send supportive letters to patients following psychiatric inpatient stays) is an empirically supported, low-cost method for meaningfully reducing suicide risk and hospitalization readmissions and, has been studied and applied in Veterans/VA settings. Peer support (i.e., persons with lived mental health experience) in mental health recovery is another empirically supported approach. Peers' involvement in mental healthcare improves patients' social functioning and community integration, as well as reduces self-stigma and functional impairment. This proposal describes the Caring Cards (CC) intervention, which is a novel integration of caring contacts and peers. In CC, outpatient Veterans with lived mental health experience (peers) create hope-filled and inspiring cards that are then sent to other Veterans struggling with mental health concerns. By design, CC increases social connectedness among participants to reduce suicide risk, which is strongly associated with social disconnectedness. Indeed, there are two evidence-based social risk factors of suicide: thwarted belongingness (TB; feeling like one does not belong) and perceived burdensomeness (PB; feeling as though one's existence is a burden on others). CC combines both caring contacts and peers to specifically target reductions in TB and PB by increasing social connectedness. This study aims to establish the feasibility and acceptability of CC. Our initial quality improvement project provided strong preliminary evidence for the feasibility and acceptability of the CC. The current proposal is for a single- site, 2-year pilot trial that employs an open-trial, pre/post research design. We propose to recruit outpatient Veterans with a history of high suicide risk to make up our CC group and serve as the card-makers (CMs). We will recruit outpatient Veterans who are currently at high-risk for suicide to be our card-recipients (CRs). The primary outcome (Aim 1) is to establish feasibility and acceptability of CC. Aim 2 will examine CC's ability to reduce our primary outcomes (TB and PB) among CMs and CRs. Aim 3 will preliminary evaluate CC's ability to increase social connectedness, as well as reduce suicide risk (i.e., suicidal ideation and behavior) among CMs and CRs. CMs will meet in weekly groups, each for six months, over the course of one year; CRs will receive a total of six cards, one per month. Monthly meetup groups will also be an optional venue for CMs and CRs to meet each other in-person. Baseline and follow-up assessments will be completed at start and one month after final group for CMs, or one month after the final card for CRs. This project builds on our preliminary data which indicate that Veteran CMs are interested in and fi...