Centre of Fire, Explosive and Environment Safety (CFEES), a Delhi-based laboratory of the Defence Research and Development Organisation (DRDO) has designed and developed a Vertical Shaft based Underground Ammunition Storage Facility. The Defence Ministry said it enables upward vertical dissipation of blast effects considerably reducing the blast effect on surrounding utilities.<br />'' <br />''The design validation trial of this Underground Ammunition Storage Structure was successfully conducted on 30th April last month. The unique design ensures the higher safety of ammunition stored from any kind of aerial attack or sabotage.