If the latter, then a later mission would be designed to bring samples back to Earth.
The program had called for launches to Mars every two years, culminating in a 2006 attempt to use robot craft to bring samples of Mars back to Earth.
Strict security measures kept the images of future models inside; only a few executives took it upon themselves to bring samples home.
"The only way we can be sure we have found life on Mars is to bring samples back to Earth, and that will be a very complex mission," said Cordey.
After this, a mission to bring samples of lunar soil back to Earth is planned for 2017.
So in order to bring samples out of Liberia there needs to be some kind of agreement in place that this is allowed, and that takes time.
This paper proposes an initiative of sample capsule retrieval and onboard biosafety protocol in international waters for future biological and organic constituent missions to bring samples from possible habitable bodies in the solar system.
The School Coordinators bring samples of video-recordings and assessment records to this inter-school meeting where these samples of student performance from different schools will be viewed and discussed with reference to the assessment criteria.
"We set foot on the ice again in October and hope to bring samples to the surface in December 2012," Chris Hill, program manager at the British Antarctic Survey, said in a statement.
Because of the different experimental conditions, the anonymous normal samples may bring sample-dependent bias for γ k.
A small secondary risk of 5% requires a sample size of 1600, whereas allowing for more secondary risk brings sample size down to 1000.
