Company plans moon trip 40 years after last Nasa mission
7 December 2012 Last updated at 18:54 GMT
On the 40th anniversary of the final manned mission to the Moon, Nasa's Apollo 17 mission, a private US company says it intends to fly to the moon by 2020.
The company, Golden Spike - backed by former Nasa employees - plans to use existing rockets to reach the lunar surface, and is selling tickets for $1.4bn (£871m) per pair.
Pallab Ghosh reports.