CSS Pontchartrain
... that the captain of CSS Pontchartrain was twice detached from the ship to fight in land battles?
... that the captain of <b id="mwAlM"><a href="./CSS_Pontchartrain" id="mwAlQ" rel="mw:WikiLink" title="CSS Pontchartrain">CSS<span id="mwAlU" typeof="mw:Entity"> </span><i id="mwAlY">Pontchartrain</i></a></b> was twice detached from the ship to fight in land battles?