Recommended reading, not in any particular order:

HEADHUNTERS--Brennan

We Were Soldiers Once and Young--Moore and Galloway

The Gulf Between Us--Acree

Centaur Fights--Spalding

Apache Sunrise--Boyle

Why Didn't You Get Me Out?--Anton

Hunter-Killer Squadron--Brennan

Acceptable Loss--Jorgenson

Very Crazy G.I.--Jorgenson

LRRP Company Commander--Jorgenson

The Ghosts of the Highlands--Jorgenson

MIA Rescue--Jorgenson

Chickenhawk--Mason

Going Downtown--Broughton

Blackhawk Down--Bowden

The Huey and the HueyCobra--Siuru

BAT 21--Anderson

Rolling Thunder--Berent

CW2--Heath

Flight of the Intruder--Coonts

The Jesus Nut--Freeman

Chained Eagle--Alvarez and Pitch

Stolen Valor--Burkett and Whitley

Easy Target--Smith

Red Bird Down--Carlson

Escape From the Box--Hubbard

When Hell Was in Session--Denton

Primer of the Helicopter War--Holley and Sloniker 

The Broken Sword--Westbrook  

Over the Beach--Grant

A Better War--Sorley

Anatomy of a Division--Stanton

Firebirds--Carlock

1st Cavalry Division--Turner