It was 18 years ago today when Formula 1's current longest-serving Team Principal, Christian Horner, was appointed at Red Bull Racing. Months prior to the appointment the Jaguar F1 team was sold off by Ford to soft drinks business mogul Dietrich Mateschitz, with the requirement that he invests $400 million over the course of three seasons. Prior to team management Horner was a racing driver, competing at national level single seater championships in the UK before moving up to Formula 3000 in 1997 and founding the Arden team. After failing to qualify for over half of the races that year,…