The final winter test of the 2014 F1 preseason period gets underway later this morning at the Bahrain International Circuit with all team's in attendance during the four day test.
The majority of the team's have confirmed who will drive on what day although some have opted to reveal who will drive for them at the start of the test.
Ferrari are one of a number of team's who have elected to split the driving duties. Kimi Raikkonen will drive the F14T tomorrow and on Saturday while Fernando Alonso will drive on Friday and Sunday.
As reported on Tuesday, the Sahara Force India F1 Team have confirmed that Sergio 'Checco' Perez will be in the car for the opening two day's while Nico Hulkenberg will drive for the Silverstone based outfit on Saturday and Sunday.
McLaren have decided to split their test programme, Kevin Magnussen will drive the MP4 29 tomorrow and Saturday while Jenson Button will drive on Friday and will conclude the test for the Woking team on Sunday.
Sauber, Toro Rosso and Williams have yet to confirm their plans for the test, however all will be revealed in the morning. Over at Red Bull Racing, Daniel Ricciardo will drive the RB10 on the opening two day's before reigning world champion Sebastian Vettel takes over for the weekend.
Nico Rosberg kick starts Mercedes programme tomorrow before Lewis Hamilton takes over on Friday, Nico will drive on Saturday before Lewis finishes up the test for the Brackley team as they look to increase their gap over the rest of the field at this stage. However this is Formula One where as we all know absolutely anything can happen and usually does and that will be particularly true this season with all the changes in place.
The Lotus F1 Team, who are only taking part in their second winter test this year have confirmed that Pastor Maldonado will drive the E22 tomorrow and on Friday while Romain Grosjean will drive the car on Saturday and Sunday as the Enstone outfit look to unlock the full potential of their new car.
Over at Caterham, Kamui Kobayashi will drive on Thursday and Saturday while new rookie driver Marcus Ericsson will drive the CT-05 on Friday and Sunday.
Max Chilton will drive the new Marussia today and on Sunday while Jules Bianchi will drive on Friday and Saturday.
Testing gets underway later today and concludes on Sunday after which the F1 circus will head to Melbourne.
©Ben Johnston 2014