Check out Starfighter Decals
http://www.starfighter-decals.com/70039-uss-harry-s-truman-ship-mar.html
Mark has flight deck markings for many of the Nimitz-class carriers. The above is for the Truman, He has others listed, Vinson, Lincoln, Washington. Check with Mark. He might have a Reagan in the works for you. Regardless, if you just need the landing area lines and foul lines the Starfighter decal sheet might just fix you up.