SpaceX delays Polaris Dawn astronaut launch to Aug. 28 due to helium leak 

 SpaceX has pushed the launch of the historic Polaris Dawn astronaut mission back 24 hours, to Wednesday morning (Aug. 28), due to a helium leak. 

https://cdn.mos.cms.futurecdn.net/vEsAaJ63ujqvUEtdw2iyTC.jpg

https://www.space.com/spacex-polaris-dawn-launch-delay-helium-leak