<prompt> Feleletša polelo ye e latelago: Ka 18 December 1855 Stephenson o ile a tsenela Royal Navy, a ba moithuti wa dikepe ka HMS St Jean dAcre, a laelwa ke malome wa gagwe Henry Keppel, gomme a hlankela Lewatleng le Leso nakong ya Ntwa ya Crimea. Go tloga ka September 1856 go fihla ka April 1857 Stephenson o ile a hlankela ka tlase ga Keppel e le mokadinale ka HMS Raleigh, a hlankela ka East Indies le China nakong ya Ntwa ya Bobedi ya Lefase.  <response>: Ntwa ya Bobedi ya Seisemane le Se-China, go ba go fihla ge sekepe sa gagwe se robega kgaufsi le Macau ge se be se thula leswika leo le sa tsebjego. Basepediši ka moka ba ile ba phološwa. Ka June 1857 o ile a šoma bjalo ka Midshipman ka HMS Pearl, a šoma le Pearls Naval Brigade nakong ya Molloti wa India wa 1857, moo a ilego a bolelwa ka go Despatches gararo. Ka June 1861 o ile a hlatlošwa go ba lefotenente ka HMS Emerald, a hlankela ka Channel Squadron. 