M1117 Armored Security Vehicle (Guardian)
American 4x4 wheeled armored security vehicle providing Colombian forces with protected mobility for convoy escort, urban operations, and counter-insurgency missions. Colombia received M1117 Guardian ASV through US military assistance programmes supporting counter-narcotics and counter-terrorism operations. Features V-shaped hull providing mine protection, ballistic protection against small arms and shell fragments, 40mm Mk 19 automatic grenade launcher or .50 caliber M2 machine gun in turret, 7.62mm machine gun, crew of 3 plus capacity for additional personnel, powered by Cummins diesel providing road speed of 65 mph, weight of 13.9 tonnes, and amphibious capability with preparation. The Guardian provides superior protection compared to unarmored vehicles while maintaining mobility on Colombian roads and terrain. Extensively deployed in combat operations against FARC, ELN, and narcotics traffickers demonstrating effectiveness. Critical capability for convoy escort protecting logistics movements in contested areas. Complements LAV III and indigenous MRAP creating diverse armored vehicle fleet optimized for counter-insurgency. Future continued operation with potential additional transfers from US stocks. Proven reliability and effectiveness in Colombian service. Represents US security assistance supporting Colombian military modernization and counter-narcotics efforts.

- Robust mine/IED protection for counter-narcotics operations
- Firepower combination of Mk 19 and .50 cal devastating against soft targets
- Simpler maintenance than tracked vehicles
- Proven in US military operations
- Limited off-road capability compared to tracked alternatives
- Heavy for a 4x4 — limits bridge and terrain crossing options
- Not designed for sustained mechanized combat
- Limited situational awareness from inside the vehicle
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Radar cross-section management at this level requires trade-offs in payload capacity that tacticians need to understand.