Ussher brought Redwing to anchor within point-blank range of the battery, using her broadsides to silence its guns. A cutting-out party under Lieutenant Ferguson then destroyed the mistico and extracted the feluccas. Ussher and Ferguson, with a landing party of 40 men, then captured the battery and spiked its guns. This, and _his_ previous actions, led to Ussher's promotion to post captain. <sep>, Pronoun: his <sep>, A: Ussher <sep>, B: Ferguson