Safety Chains New Jersey National Guard soldiers secure a vehicle onto a rail car in Morrisville, Pa., May 15, 2023. More than 800 vehicles and pieces of equipment are being sent by train to Fort Polk, La., for use in a training exercise. SHARE: Download: Full Size (7.94 MB) Tags: Army, national guard Credit: Mark C. Olsen, New Jersey National Guard VIRIN: 230515-Z-AL508-1144.JPG Photo Gallery