At time index 09:17 when Kelso walks in wearing a Navy Commander Uniform he is missing what is called 'Scrambled Eggs' on the visor of his Naval Officer dress uniform hat.
At 11 minutes you can easily see the bright neon pink marks on the floor for the nurse standing in the background.
J.D. refers to the U.S.S. Abraham Lincoln as a battleship. The USS Abraham Lincoln is an Aircraft Carrier.