The Ares V (formerly known as the Cargo Launch Vehicle or CaLV) was the planned cargo launch component of the cancelled NASA Constellation program, which was to have replaced the Space Shuttle after its retirement in 2011. Ares V was also planned to carry supplies for a human presence on Mars.

Ares V (Ares 5) is America’s next generation launch vehicle. It will be used to launch unmanned payloads to Earth orbit and using the Earth Departure stage send spacecraft to the moon such as manned Lunar Surface Access Module and could be used for Manned Mars Missions in the future. Crew will be launched to orbit using the Ares I rocket.

The Ares V is the heavy-lift component of NASA's dual-launch architecture that will replace the current space shuttle fleet, complete the International Space Station, and establish a permanent human presence on the Moon as a stepping-stone to destinations beyond.

The Ares V (formerly known as the Cargo Launch Vehicle or CaLV) is the planned cargo launch component of the Constellation program, which would replace the Space Shuttle after its retirement in 2010. Ares V and the smaller Ares I are named after Ares, the Greek god of war, which is the equivalent to the Roman god Mars.