In February 1811 he became a commander .
In February 1811 he took over the sloop HMS Hesper in which he participated in the attack on Java and was promoted to post captain as a reward , taking over the HMS Sir Francis Drake .
In February 1811 he became a commander and took over the sloop HMS Hesper in which he participated in the attack on Java and was promoted to post captain as a reward , taking over the HMS Sir Francis Drake .