The first two paragraphs are unreferenced The claim in the third paragraph i e International broadcasters such as the BBC World Service also use UTC is unreferenced The claim in the fourth paragraph about Zulu time is unreferenced The claim in the final paragraph about the international space station is unreferenced Most of these paragraphs are short very short sometimes a single sentence so they should be merged The first paragraph is probably OK as it stands The second paragraph is a single sentence about about global commerce I see no reason why it can be merged with the fifth paragraph which is about global transportation Definition and relationship to other standards This has much more in line citations but also suffers from mostly single sentence paragraphs one two sentence paragraph and a three sentence paragraph The first three paragraphs could be merged into one There is no need to wikilink both occurrences of Universal Time is a single section this is WP Overlinking