RE: >>10531474
Usually done when you're adding something to the text of a quote in order for it to make sense out of it's original context.
Only thing I see in the original is that the "T" is capitalized since it is the beginning of a sentence. See page 31.
https://www.whitehouse.gov/wp-content/uploads/2017/12/NSS-Final-12-18-2017-0905-2.pdf
Same thing with the "S".
https://www.whitehouse.gov/presidential-actions/space-policy-directive-3-national-space-traffic-management-policy/