Both companies will do so at the International Astronautical Congress (IAC) in Adelaide, Australia. First up is Lockheed, which will announce updates to its "Mars Base Camp" concept at 6 p.m. EDT (2200 GMT; 7:30 a.m. Friday local Adelaide time). You can watch the presentation via Australia's Science Channel .
Then, at 12:30 a.m. EDT Friday (0430 GMT; 2 p.m. Adelaide time), SpaceX founder and CEO Elon Musk will reveal changes to the company's Mars-colonization architecture, which Musk first announced last year at the 67th IAC in Mexico. [ SpaceX's Interplanetary Transport for Mars in Images ]
"Major improvements & some unexpected applications to be unveiled on Friday at @IAC2017 in Australia," he said via Twitter Monday (Sept. 25).
Credit: SpaceX
"Headed to Adelaide soon to describe new BFR planetary colonizer design in detail @IAC2017. This should be worth seeing. Design feels right," Musk added in another tweet Tuesday (Sept. 26). (BFR stands for Big F***ing Rocket.)
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