Bart VANDENBUSSCHE<p>How to dispose of the main stage of your rocket cleanly: @ariancespace Ariane 5 User manual says how: after separation from upper stage, main stage is put in flat spin mode by opening lateral venting hole in the hydrogen tank. This causes re-entry and plunge in the Atlantic ocean ('EPC impact' on this map from the User Manual) <a href="https://mastodon.online/tags/CZ5B" class="mention hashtag" rel="tag">#<span>CZ5B</span></a></p>