Tele-Exercise for MERP

Inclusion Criteria: * Veteran * Age \> or equal to 40 years * Self-reported exposure to burn pits and/or burn pit smoke during overseas military deployment (at least 6 hours per day during one or more deployments of at least three months) * ability to interact with study staff using video conferencing technology * ability to provide written informed consent Exclusion Criteria: * Musculoskeletal or medical conditions which preclude participation in a tele-exercise program * Active severe mental health or psychiatric issues, including suicidality * Severe pulmonary disease (chronic supplemental oxygen), or lobectomy or greater resection * Myocardial infarction (within 3 months), or exertional or unstable angina * Uncontrolled systemic hypertension, defined as resting systolic blood pressure \> 180 mmHg or diastolic blood pressure \> 110 at time of most recent evaluation at time of recruitment * Active systemic treatment for cancer * Acute care hospitalization within the last 90 days * End-stage liver or renal disease * Any other medical or psychiatric condition that would preclude safe participation in tele-exercise, according to the judgment of the investigators