Some bloke who flew the Lightning who claimed it was better than the F-15, so it must be true m8.

A Youtube video that said the Lightning overtook the Concorde airliner this one time.

Another Youtube video where a completely unrelated and highly modified twin seat version of the Lightning (which is not the same as the one we have in game) with next to no fuel, guns, ammunition, stripped of most of its military hardware and set up solely to set a climb record achieved a high rate of climb.

The Lightning F.6 article on Wikipedia, a website often known as the most reliable source of information that's never wrong and where the Lightning article totally definitely wasn't edited by someone last year when we announced the Lightning was coming to change all of the numbers and climb statistics to levels that don't actually reflect its true sustained rate of climb but instead to overhype the aircraft to oblivion in the meantime.

Oh and we can't forget, the staged military wargames where a Lightning intercepted a U-2 spyplane under pre-set testing conditions and could definitely do it legitimately every time in real conditions."

"Due to overwhelming responses we have decided to change our source material on this aircraft. We now will no longer be using the official Ministry of Defence approved RAF documentation such as the Pilots Notes, Performance Data and Ground Crew notes (which are the highest authority primary sources available), but instead will be switching to the following sources: