Spartans. Humanity's first-and last-line of defense in a hostile 26th century galaxy. You have been selected to join their ranks. The Official Spartan Field Manual is a guide to every element of the United Nations Space Command (UNSC) SPARTAN-IV program, disseminated to all newly-augmented Spartans. Inside these pages is the guidance you'll need to put your enhanced strength, speed, and skills to use in both War Games training simulations and, ultimately, joint combat operations. This manual is essential for getting to know the weapons and vehicles you will be using on the battlefield, as well as the allies and enemies you can expect to encounter. COMPULSORY READING FOR ALL SPARTAN-IV FIRETEAM LEADERS AND COMMANDERS.