 The combined fleet was composed of six British ships of the line and four frigates, plus five Dutch frigates; there were also 37 gun boats, 10 mortar boats, and eight rocket boats.Lieutenant JT Fuller and 19 other ranks from the Rocket Troop accompanied the expedition, together with 2,500 rockets, and were engaged alongside the Royal Marine Artillery.In the bombardment of Algiers the rocket boats, gun boats, and mortar boats engaged the enemy's fleet moored inside the harbour.