SPACE (Syllabus: GS Paper 3 – Sci and Tech)

News-CRUX-10     19th April 2024        

Context: Recently, the Secretary of Defence (R&D) and Chairman of DRDO inaugurated the state-of-the-art Submersible Platform for Acoustic Characterisation and Evaluation (SPACE) at the Underwater Acoustic Research Facility in Kulamavu, Idukki, Kerala.


  • Origin: Established by the Naval Physical & Oceanographic Laboratory of DRDO.
  • Objective: Designed as a premier testing and evaluation hub for sonar systems for the Indian Navy.
  • Composition: Comprises a floating platform and a submersible platform.
  • Applications of the SPACE:
  • Sonar System Evaluation: Enables comprehensive testing of sonar systems for the Indian Navy.
  • Scientific Package Deployment: Facilitates quick deployment and recovery of scientific packages, including sensors and transducers.
  • Survey and Data Collection: Allows for surveying, sampling, and data collection of various parameters across different depths using modern instrumentation.


  • About: It stands for Sound Navigation and Ranging, a tool utilizing sound waves for ocean exploration.
  • Applications of Sonar: Scientists employ sonar for various purposes including developing nautical charts, locating underwater hazards, identifying objects in water, and mapping the seafloor.
  • Importance in Oceanography: Sonar is crucial in oceanography due to the ability of sound waves to travel further in water compared to radar and light waves.