germany's augsburg frigate is back at sea.t's objective -- to protect the french aircraft carrier charles de gaulle. >> yes, it's a combat mission. fighter jets regularly take off from the french aircraft carrier to attack daesh terrorists in iraq and syria. and we're supporting this operation by protecting the carrier and ensuring its safety. >> the augsburg was brought into service towards the end of the cold war. it's specially equipped to track submarines. but times change, and so has this frigate. it's now capable of launching anti-aircraft and anti-ship missiles. but the biggest threat is posed by speedboats armed with explosives. that is why the augsburg's crew regularly runs practice drills. >> signal for the speedboat alarm. >> in this exercise, a speedboat is approaching, but it's not responding to the augsburg's numerous warnings. >> our weapons are locked on you. it turned away immediately -- turned away immediately. [gunfire] >> an officer takes us down to the engine room. the vessel has two diesel 5,300 horsepowe