आकाश सतह से हवा में मार करने वाली रक्षा मिसाइल प्रणाली का उन्नत संस्करण, जिसे 'आकाश-1S' नाम दिया गया है, मुख्य रूप से किस स्वदेशी रूप से विकसित घटक से सुसज्जित है?

What is the operational function of the ASTRA missile system developed in India?

Which specific type of military hardware is the BrahMos system, developed through a joint venture between India and Russia?

Consider the following statements regarding India's Prithvi-II and Agni-1 missiles: 1. Prithvi-II utilizes a liquid propulsion system, while Agni-1 uses a solid-fueled rocket motor. 2. Both were initially developed under the Integrated Guided Missile Development Program (IGMDP). 3. Both play a vital role in India's nuclear deterrence posture. Which of the statements given above are correct?