Answer:
What do you mean? Like is there choices?
Explanation:
 
        
                    
             
        
        
        
Having 
Having here acts as a verb.
Verbs are action words. There are also types of verbs which some are helping verbs, linking verbs and verbs themselves. 
Linking verbs are words that connect the subject and predicate like is was were are.
        
             
        
        
        
He is using this repetition to emphasize with good safety measures in place exploring the last frontier (space) will be a breeze.