A British medical ship carrying three Merlin helicopters and a crew of around 380 has set off on a long journey south to help bolster the UK's effort in the international fight against the Ebola outbreak in Sierra Leone.
Those on board the Royal Navy hospital ship RFA Argus will face strict rules to keep the ship "sterile" before it reaches its destination in November to play a pivotal role in supporting the efforts already being conducted by British army medics in West Africa.
As it reaches seven months since the Ebola outbreak started we take a look at the timeline of events leading up to the spread of the virus.
More than 100 British personnel are arriving in Sierra Leone to combat the Ebola outbreak in West Africa. Here's what else the UK is doing.
A man has been filmed helping an Ebola patient onto a plane without wearing any protective equipment.