Sandys was cautious about Polaris , as it was still under development , so its costs were uncertain .
At this point , the Minister of Defence , Duncan Sandys , requested a paper on Polaris , and was given one that strongly argued the case for Polaris .
Sandys was cautious about Polaris , as Polaris was still under development , so Polaris ' costs were uncertain .
At this point , the Minister of Defence , Duncan Sandys , requested a paper on Polaris , and was given one that strongly argued the case for Polaris .