You don't need leg raises or heavy weights to strengthen your core and hips, just try the dragon flag calisthenics exercise.

The Sea Dragon exercise is a multinational anti-submarine warfare drill conducted annually to strengthen maritime security ...

The Sea Dragon exercise brought together the U.S. Navy, the Australian air force, and the Indian, Japanese and South Korean navies for a series of drills.

ANDERSEN AIR FORCE BASE, Guam  – Exercise Sea Dragon 2025 (SD25) successfully concluded at Andersen Air Force Base , Guam, ...

The USA and regional allies have completed a major anti-submarine warfare (ASW) exercise near the US island of Guam.