China successfully launches the <a href="https://en.wikipedia.org/wiki/T-7_(rocket)" id="mwww" rel="mw:WikiLink" title="T-7 (rocket)">T-7</a>, its first <a href="https://en.wikipedia.org/wiki/Sounding_rocket" id="mwxA" rel="mw:WikiLink" title="Sounding rocket">sounding rocket</a>.