<Li> <P> An overhead view of Atlantis as it sits atop the Mobile Launcher Platform (MLP) before STS - 79 . Two Tail Service Masts (TSMs) to either side of the orbiter's tail provide umbilical connections for propellant loading and electrical power . </P> </Li> <P> An overhead view of Atlantis as it sits atop the Mobile Launcher Platform (MLP) before STS - 79 . Two Tail Service Masts (TSMs) to either side of the orbiter's tail provide umbilical connections for propellant loading and electrical power . </P> <Li> <P> Water is released onto the mobile launcher platform on Launch Pad 39A at the start of a sound suppression system test in 2004 . During launch, 350,000 US gallons (1,300,000 L) of water are poured onto the pad in 41 seconds . </P> </Li> <P> Water is released onto the mobile launcher platform on Launch Pad 39A at the start of a sound suppression system test in 2004 . During launch, 350,000 US gallons (1,300,000 L) of water are poured onto the pad in 41 seconds . </P>

16. what are the three phases of space shuttle flight