Military members from the U.S. and partner nation militaries conduct a briefing during PANAMAX 2022 on Joint Base San Antonio-Fort Sam Houston, Aug. 4. PANAMAX 2022, a U.S. Southern Command-sponsored multinational command post exercise aimed at reinforcing and enhancing the long-term security of the Panama Canal and the Western Hemisphere, took place Aug. 1-12, at bases in Texas, Florida, Virginia and Arizona.