Once at the memorial solve the puzzle. All answers can be found at the memorial.
Cache is at N 42 32.ABC W 84 49.DEF
A = Last digit of the year the Korean War ended
B = Last digit of the year the Spanish American War started
C = Number of flags - 1
D = Number of Rocks (don't count the 9/11 stone)
E = Number of years WWII took place minus 1
F = Last digit of the year Operation Iraqi Freedom ended
Check Sum = 26