Force Protection Exercise Navy Security Forces conduct drills during Exercise Solid Curtain 2026 at Naval Base San Diego, Feb. 4, 2026. Solid Curtain 2026 is an annual, two-part force protection exercise conducted by the commanders of U.S. Fleet Forces Command and Navy Installations Command on all contiguous U.S. Navy installations. SHARE: Download: Full Size (0.42 MB) Tags: training, navy, solid curtain, solid curtain 26 Credit: Navy Petty Officer 2nd Class Aja Bleu Campbell VIRIN: 260204-N-XG173-1401.JPG Photo Gallery