We have been told to stay on our present course, which is what we're doing.
"Keep to the present course for one hour, then turn south."
"But I also think our present course is more or less correct."
You are not going to live long enough to get to the stars on your present course.
All they could do was hold their present course through the rain and hope.
Which meant he would also stay on his present course.
"We cannot allow events to continue on their present course even for two or three more months."
He had not given up, but this did seem to be the best present course.
At our present course, we will be in their system within hours.
It would be best if he continued his present course of action.