If it was too hilly, it would've not been much good as a landing site... but due to its importance, the Seabees would've probably been ordered to make it flat! Someone should do a nice mesh of that little island, just to honor the men who fought and died there...
There they battled up Iwo Jima's hill
250 men
But only 27 lived to walk back down again-Johnny Cash, "The Ballad of Ira Hayes"
That lyric refers to the Marine unit (2nd Bat., 28th) involved in the battle; Ira Hayes was a Pima Indian who was among the men who raised the flag, under fire from Japanese troops who refused to give up. The famous photo is a re-creation, shot later; here's a pic of the real event. . Three of the six men who raised it didn't make it home.