Without the road , the planned airbase at Nadzab could not be developed , and without the airbase , air cover could not be provided for another amphibious operation .
This became critical when heavy rains delayed the opening of the Lae -- Nadzab Road .
Without the road , the planned airbase at Nadzab Road could not be developed , and without the airbase , air cover could not be provided for another amphibious operation .
This became critical when heavy rains delayed the opening of the Lae -- Nadzab Road .