Technology Elon Musk: Hardest Engineering Challenge Revealed by Anika Shah - Technology August 16, 2025 by Anika Shah - Technology August 16, 2025 SpaceX CEO Elon Musk has revealed one of the biggest and hardest engineering challenges the company is facing presently in the Starship rocket program. Musk said that orbital refuelling is … 0 FacebookTwitterPinterestEmail