Santego Military Base

The Santego Military Base is a United States Marine Corps-operated military base located in Arizona, west of New Mexico, where the Black Mesa Research Facility is located. It appears in the training chapter for Opposing Force, Boot Camp.

Overview
There Adrian Shephard receives his Advanced Training from before May 3 to c. May 15, 200-, under Drill Instructors Barnes and Sharpe, among others. The base is guarded by the Military Police whose members prevent access to restricted areas, and operates vehicles such as V-22 Ospreys and M35 cargo trucks.

Santego includes barracks, offices in the Tactical Operations Command, helipads, and the Advanced Training Facility, which includes the following sections:


 * Armory, where Powered Combat Vests can be picked up and charged.
 * Test Firing Chamber, where the recruit is shown how the PCV protects him from bullets.
 * Environmental Hazards Simulation, where the recruit must get through miscellaneous hazards such as fire, steam, electricity and radioactive waste, while being protected by his PCV. Its proper name is unsure; there is no sign at the start of the section.
 * Nightvision Training, where the recruit is shown how the nightvision goggles work.
 * Basic Training, where the recruit must perform basic movements.
 * Rope Course, where the recruit must climb ropes.
 * Live Fire Range, where the recruit is shot at and must avoid fire.
 * Target Range, where the recruit must learn how to use weapons.
 * Pistol Range, where the recruit must learn how to use the Desert Eagle.
 * Sniper Range, where the recruit must learn how to use the M40A1 Sniper Rifle.
 * Squad Training, where the recruit must learn to use his assets properly. The Engineer, the Medic and the radio communication are introduced.

During Shephard's training, the G-Man came several times to check on him, around May 3 and May 7.