E20 and SW19 are codes famously associated with?
Lotus E20 air back through the car and over the front wing, cancelling out the downforce generated by the front wing with the intention of increasing stability in high-speed corners. Lotus initially opposed the system, and filed a formal protest as they believed it to be a moveable aerodynamic device and therefore in violation of Article 3.15 of the sport's technical regulations, the same Article under which the E20's reactive ride-height system had been challenged. The FIA ultimately rejected Lotus's protest, allowing Mercedes to continue using the double-DRS device and paving the way for Lotus to introduce their own version of it.
HMS E20 British code. Upon arriving at the designated location, "UB-14" surfaced and fired a torpedo at "E20" from a distance of . "E20"s crew saw the torpedo, but it was too late to avoid the weapon. The torpedo hit "E20"s conning tower and sank her with the loss of 21 men. "UB-14" rescued nine, including "E20"s captain who, reportedly, had been brushing his teeth at the time of the attack. HMS E20 HMS "E20" was a British E-class submarine built by Vickers, Barrow-in-Furness. She was laid down on 25 November 1914 and was commissioned on 30 August 1915. She was sunk,