HYDERABAD: A device developed by DRDO for the use of soldiers will now come in handy for Covid-19 patients who require medical support. “Being ever in the forefront to support the Indian Soldier in most difficult terrain and adverse circumstances, the Defence Research and Development Organisation (DRDO) has developed yet another system, which is of great value not only to the Indian Army soldiers fighting in the Extreme High Altitudes Areas but also would be a boon to the country in this extreme crisis of Covid 19 pandemic,” DRDO said on Monday. The Defence Bio-Engineering & Electro Medical Laboratory (DEBEL), Bengaluru of DRDO has developed a SpO2 (Blood Oxygen Saturation) supplemental Oxygen Delivery System for soldiers at extremely high altitudes.