The RAF, in World War II, was also known as "the thin blue line" due to having planes and men thinly spread out all over the British coast to defend against the [[Luftwaffe]]. The RAF was founded on April 1st, 1918, and is still in existence today, with just shy of 1000 aircraft in April of 2006. | The RAF, in World War II, was also known as "the thin blue line" due to having planes and men thinly spread out all over the British coast to defend against the [[Luftwaffe]]. The RAF was founded on April 1st, 1918, and is still in existence today, with just shy of 1000 aircraft in April of 2006. |