Munich-based Hensoldt announced a milestone for its High-Altitude Drop Infiltrating System (HADIS) on February 5. The company successfully released a scale version of the unmanned stealth cargo glider during tests last autumn. HADIS is a silent, engine-free, remote-controlled glider designed to silently deliver supplies of up to 500kg to troops on the ground. It can fly up to 120km, much farther than traditional parachute drops which reach only about 50km and cannot be steered. This long-range capability protects cargo planes by allowing supplies to be dropped far from conflict zones. Japan's Self-Defence Forces (SDF) are very interested in HADIS. Garren Mulloy, a military relations expert, said the SDF aims to use such technology mainly for disaster relief but also for military support. In 2025, Japan signed a contract for a "glide drop equipment proof of concept," targeting remote island supply missions, with full deployment expected by 2029. HADIS could deliver medical aid, food, and water faster than land transport after natural disasters, especially where roads are damaged. Militarily, it could resupply troops and ammunition on Japan's southwest islands, a sensitive area facing increasing pressure from China. Hensoldt plans to build a full-size HADIS demonstrator by the end of the year. Japan closely watches this, as tensions rise around Taiwan and possible spillover into Japanese territories. HADIS technology offers new ways to support remote defense and disaster relief quietly and efficiently.