Security ยท GS3
Delivery of Mangrol ASW shallow-water craft
One line
Cochin Shipyard delivered Mangrol, the third anti-submarine-warfare shallow-water craft, to the Navy.
Summary
The vessel supports underwater surveillance and coastal ASW. Delivery is distinct from commissioning into service.
PYQ pattern
UPSC often tests the institution, mechanism, and limits behind this development. Use the official UPSC question-paper archive.
Core notes
- Sonar uses sound to detect and locate underwater objects.
- The release is a current trigger; implementation or operational results require separate evidence.
- Institutions need clear data, accountability, and review arrangements.
Prelims lens
- Sonar uses sound to detect and locate underwater objects.
- Distinguish announcement, approval, delivery, and measured outcome.
- Check the responsible institution and legal basis.
MCQ 1
Consider the following statements:
- Sonar uses sound to detect and locate underwater objects.
- A delivered ship is commissioned at exactly the same moment.
Which of the statements given above is/are correct?
- A. 1 only
- B. 2 only
- C. Both 1 and 2
- D. Neither 1 nor 2
Reveal answerHide answer
A
Statement 1 is correct. Statement 2 is an overstatement or incorrect relationship.
MCQ 2
Which sensor is central to underwater detection?
- A. Sonar
- B. Weather vane
- C. Barcode reader
- D. Altimeter only
Reveal answerHide answer
A
Sonar is correct.
Mains
Question, 10 marks, 150 words: Why do shallow coastal waters require specialised anti-submarine platforms?
Approach:
- Define the institution, indicator, or technology.
- Explain its significance.
- Examine limits and implementation gaps.
- Suggest specific accountability measures.