Apple CEO Tim Cook has published his annual Memorial Day tribute on X, continuing a long-running tradition of observing national remembrance holidays.

Apple CEO Tim Cook has a message for the Artemis II crew. He congratulated the astronauts after they returned to Earth safely on April 10, appreciating both the lunar mission’s success and the information they collected during their journey around the Moon.

Tim Cook is the chief executive officer of Apple and a member of its board of directors. Since succeeding co-founder Steve Jobs, Cook has led the company through a period of substantial expansion, establishing it as one of the world’s largest technology firms by revenue and market value.