While Lone Survivor was great, Service was even more impressive to me given that he went back AFTER all that happened the first time. That guy doesn't know the meaning of the word quit.
If you like 'The Pacific' read:
With the Old Breed - Eugene Sledge (probably the best memoir i've ever read that captured the dirtiness and miserable life of a marine in the pacific.
Helmet for my Pillow - Robert Leckie