 Complete the following phrase:  The Red Bull RB15 is a Formula One racing car designed and constructed by Red Bull Racing to compete during the 2019 FIA Formula One World Championship. The car was driven by Max Verstappen, Pierre Gasly and Alexander Albon. Pierre Gasly was originally meant to be driving the car for the entire season after moving from Toro Rosso to replace Daniel Ricciardo. However after the 2019 Hungarian Grand Prix it was announced that Alexander Albon would be replacing Gasly for the remainder of the season. The RB15 is the first car built by Red Bull Racing with a Honda engine, and made its competitive début at the 