The Board denied the appellant's application to reopen his claim for VA benefits, finding that new and material evidence had not been submitted. The RO initially denied the claim in August 1952 due to a lack of recognized guerilla service or Commonwealth Army membership in the United States Armed Forces.

The Veteran's sleep apnea was rated at 50 percent, but the Board found that it did not meet the criteria for a higher rating due to lack of chronic respiratory failure with carbon dioxide retention or cor pulmonale.,For the left knee injury prior to November 25, 2014, the Veteran received a 10 percent rating based on painful motion. After November 25, 2014, he was granted a 30 percent rating for limitation of extension and flexion due to pain.,The Veteran's major depressive disorder did not meet criteria for higher ratings.,For the low back disability, the Veteran received a 40 percent rating based on forward flexion greater than 30 degrees. The Board found no evidence of ankylosis or incapacitating episodes.,ED was denied as there was no deformity of the penis.

The Board remands the claim for service connection for sarcoidosis as new and relevant evidence has been received since the previous denial.

The Board remands the claim for service connection for tinnitus to correct a duty to assist error, as the Veteran's lay statements regarding onset and continuity of symptoms were not adequately considered in the previous decision.

The appeal for service connection for a left-hand condition is dismissed as the Veteran was granted service connection for mononeuropathy to the left hand fourth finger with parasthesia of skin in an October 2025 rating decision.