Sea Launch, the rocket company that operates from a converted oil rig in the Pacific, has returned to flight.

BBC: Sea Launch rocket company returns to service

Sea Launch experienced a spectacular rocket failure on the rig in 2007, and was forced to restructure its finances as orders slowed and debts mounted.

BBC: Sea Launch rocket company returns to service

The 30m (100ft) rocket crashed into the sea shortly after take off.

BBC: US institute: North Korea 'testing at rocket site'

The IMB says pirates off Somalia use "mother ships" that travel far out to sea and launch smaller boats to attack passing vessels, sometimes using rocket-propelled grenades (RPGs).

BBC: France frees sailors from pirates