Context: Defense Minister has handed over three indigenously built Defense Research and Development Organization (DRDO) systems to Army, Navy and Air Force. 
The three systems are

1. Indian Maritime Situations Awareness System (IMSAS)
2. ASTRA Mk-I Missile
3. Bhadauria and Border Surveillance System (BOSS)

About Indian Maritime Situations Awareness System (IMSAS)

• The IMSAS is a software system that provides global maritime situational picture, marine planning tools and analytical capabilities to the Indian Navy.
• It also provides Maritime Operational Picture from naval headquarters to each individual ship in sea to enable naval command and control.
• Centre for Artificial Intelligence & Robotics (CAIR), Bengaluru and Indian Navy has jointly conceptualized and developed the product and the BEL, Bengaluru has implemented it.

About ASTRA Mk-I Missile

• The ASTRA Mk-I is the indigenously developed first Beyond Visual Range (BVR) Missile.
• It can be launched from Sukhoi-30, Light Combat Aircraft (LCA), Mig-29 and Mig-29K.
• Range:110 km and a maximum speed of Mach 4.5 (over 5,500 kmph)
• Successful development of ASTRA weapon system by Defense Research & Development Laboratory (DRDL) Hyderabad & production by Bharat Dynamics Limited (BDL), Hyderabad is a major contribution towards ‘Atmanirbhar Bharat’.

About Bhadauria and Border Surveillance System (BOSS)

• It is an all-weather electronic surveillance system.
• It is successfully designed and developed by Instruments Research & Development Establishment (IRDE), Dehradun.
• The system facilitates monitoring and surveillance by automatically detecting the intrusions in harsh high-altitude sub-zero temperature areas with remote operation capability.
• The system has been deployed at Ladakh border area for day and night surveillance.