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  2. ATACMS - Wikipedia

    en.wikipedia.org/wiki/ATACMS

    The MGM-140 Army Tactical Missile System (ATACMS / ə ˈ t æ k ə m z /) is a supersonic tactical ballistic missile designed and manufactured by the US defense company Ling-Temco-Vought (LTV), and later Lockheed Martin through acquisitions.

  3. Mars sample-return mission - Wikipedia

    en.wikipedia.org/wiki/Mars_sample-return_mission

    A 20-kg sample package on the MAV was to contain 5 kg of Mars soil. A Johnson Space Center author subsequently referred to a launch from Earth in 1998 with a MAV mass in the range 1400 to 1500 kg including a pump-fed first stage and a pressure-fed second stage. [19]

  4. Delta-v budget - Wikipedia

    en.wikipedia.org/wiki/Delta-v_budget

    The delta-v requirements for sub-orbital spaceflight are much lower than for orbital spaceflight. For the Ansari X Prize altitude of 100 km, Space Ship One required a delta-v of roughly 1.4 km/s. To reach the initial low Earth orbit of the International Space Station of 300

  5. NASA exploring two lower-cost options to go forward with Mars ...

    www.aol.com/nasa-exploring-two-lower-cost...

    The sky crane option is estimated to cost between $6.6 billion and $7.7 billion, while the commercial heavy lift vehicle option carries an estimated cost of between $5.8 billion and $7.1 billion.

  6. NASA studies options to rein in cost of Mars Sample Return ...

    www.aol.com/news/nasa-studies-options-reign-cost...

    The plan is similar to but less technologically challenging than the original architecture that was ruled out because of high costs and a sample return in the 2040 timeframe. Option one would cost ...

  7. Factbox-The ATACMS the US may send to Ukraine and their ... - AOL

    www.aol.com/news/factbox-atacms-us-may-send...

    The following information relies heavily on U.S. Army presentations and budget data. - The M39 Block I ATACMS is a guided missile with a range of 25­ to 165 km (15 to 100 miles) that carries a ...

  8. Mars to Stay - Wikipedia

    en.wikipedia.org/wiki/Mars_to_Stay

    Concept for NASA Design Reference Mission Architecture 5.0 (2009). Mars to Stay missions propose that astronauts sent to Mars for the first time should intend to remain there. . Unused emergency return vehicles would be recycled into settlement construction as soon as the habitability of Mars becomes evident to the initial pionee

  9. Colonizing Mars could be dangerous and ridiculously expensive ...

    www.aol.com/colonizing-mars-could-dangerous...

    Musk does have a plan for making Mars an attractive destination for long-term living: Terraforming, a hypothetical scenario in which humans make Mars more Earth-like by pumping gases into the ...