Preliminary exam General Studies September 13, 2024

1. Consider the following statements about sonobuoys:

  1. Sonobuoys are passive devices that only listen for underwater sounds without transmitting any signals.
  2. Sonobuoys can be deployed both from aircraft and surface ships for detecting submarines.
  3. The use of sonobuoys is limited to shallow waters as they cannot operate effectively in deeper ocean regions.

Which of the statements given above is/are correct?