Inclusion Criteria:

Veteran Inclusion Criteria:

1. Veterans who report present suicidal ideation (i.e., Columbia-Suicide Severity Rating Scale (C-SSRS) > 2 ("Active thoughts of killing oneself") in past 1 month and/or a suicide attempt in the prior 3 months as identified by the C-SSRS
2. Current SMI diagnosis (i.e., schizophrenia and other psychotic disorders, mood disorders with psychotic features, bipolar disorders)
3. Capable of informed consent via the University of California San Diego Brief Assessment of Capacity to Consent (UBACC)

Peer Specialist Inclusion Criteria:

1. Certified Peer Specialist employed at VA San Diego Healthcare System (VASDHS) in the Mental Health Care Line (individuals must demonstrate competency in basic suicide screening and referral procedures to be certified)
2. 2-3 years of experience post certification as a Certified Peer Specialist
3. Interest in being trained in SUPPORT
4. Provide verbal or written consent for the research staff to discuss ability to participate in the study with the Peer Specialist's direct clinical supervisor
5. Direct clinical supervisor agreement to allow the Peer Specialist to participate. This includes the Peer Specialist's direct clinical supervisor agreement to allow the Peer Specialist time as part of their current scope of practice to 1) participate in the full day (8-hour) SUPPORT training, 2) participate in weekly 1-hour group supervision for the duration of the Peer Specialist's time in the study, and 3) take on a case load of at least one SUPPORT Veteran at a given time.

Exclusion Criteria:

Veteran Exclusion Criteria:

1. Cannot complete the assessment battery
2. Current intoxication requiring immediate detoxification or outpatient plan directed specifically to residential substance use disorder (not mental health) services
3. Imminent psychiatric hospitalization