A milestone can be in a reconstruction.Logical formLearned from10 sentences. A timeline can be with milestones.Logical formLearned from9 sentences. A milestone can be in strengthenning.Logical formLearned from9 sentences. Milestones can be in history.Logical formLearned from9 sentences. A milestone can be in a march.Logical formLearned from9 sentences. A milestone can be in a (space technology).Logical formLearned from9 sentences. A (moon probe project) can be a milestone.Logical formLearned from9 sentences. A (story milestone) can be for a series.Logical formLearned from9 sentences. A milestone can be for a future.Logical formLearned from9 sentences. A milestone can be coveted.Logical formLearned from9 sentences. A milestone can be serious.Logical formLearned from9 sentences. A milestone can be on a month.Logical formLearned from9 sentences. Some milestone may be achieved.Logical formLearned from9 sentences. A milestone may be expected.Logical formLearned from9 sentences. Milestones can be related.Logical formLearned from9 sentences.