Troop Travel U.S. and Brazilian troops prepare to conduct the final event of Southern Vanguard in Oiapoque, Brazil, Nov. 15, 2023. Southern Vanguard is an annual bilateral exercise which rotates between partner nations in the U.S. Southern Command area of responsibility. SHARE IMAGE: Download Image: Full Size (3.57 MB) Tags: Army, Southern Command, exercises, partnerships, Brazil, Southern Vanguard Photo By: Army Spc. Joseph Liggio VIRIN: 231115-Z-EL715-1114M.JPG Photo Gallery