सामयिक विषय: Defense/Science Short Notes

सागर नौका आईएनएसवी तारिणी भारतीय नौसेना में शामिल

INSV Tarini

Question: Which one the below ocean going sailboat has recently been inducted in the Indian Navy?
a) Tarangini
b) Sudarshini
c) Mhadei
d) Tarini
Ans (d)

• On 18th February, 2017, The Indian Navy’s second ocean going sailboat INSV Tarini was inducted in a ceremony held at the INS Mandovi Boat Pool.
• INSV Tarini is a sloop built by M/s Aquarius Shipyard Pvt Ltd at Divar, Goa. The sail boat Tarini is slated to be the platform for First Indian All Women Circumnavigation of the Globe expedition of the Indian Navy.
• Extensive trials of the newly built INS Tarini were successfully completed on 30 January 2017.
• The boat has been built to a stock design by Van de Stadt, Netherlands called Tonga 56.
• The hull is made of wooden core fiberglass sandwich construction for a better performance than aluminum and steel.
• Her mast is 25 meters tall and has been custom built by M/s Southern Spars, Cape Town, for sailing in extreme conditions. She boasts a Raymarine navigation suite and an array of latest satellite communication systems through which she can be contacted anywhere in the world.
• Indian Navy will is operating four sailing vessels capable of open ocean deployments- Tarangini, Sudarshini, Mhadei and Tarini, all four of which have been built in shipyards at Goa.

Interceptor missile successfully test-fired

Interceptor missile successfully test-fired

Question: The Wheeler Island in Bhadrak district of Odisha has been renamed as …
(a) Abdul Kalam Island
(b) Nagarjun Island
(c) Bhaskaracharya Island
(d) None of the above.
Ans: (a)

  • On 11th February, 2017, India successfully test-fired its interceptor missile off the Odisha coast from Abdul Kalam Island (Wheeler Island) at about 7.45 AM.
  • It is a significant milestone in the direction of developing a two-layered Ballistic Missile Defence system.
  • This mission termed as “PDV mission is for engaging the targets in the exo-atmosphere region at an altitude above 50 km of earth’s atmosphere. Both, the PDV interceptor and the two stage target missile, were successfully engaged.
  • The target was developed for mimicking a hostile Ballistic Missile approaching from more than 2000 km away was launched from a ship anchored in the Bay of Bengal.
  • In an automated operation, radar based detection and tracking system detected and tracked the enemy’s ballistic missile.
  • The computer network with the help of data received from radars predicted the trajectory of the incoming Ballistic Missile.
  • PDV took-off once the computer system gave the necessary command for lift-off. The Interceptor guided by high accuracy Inertial Navigation System and supported by a Redundant Micro Navigation System moved towards the estimated point of the interception.




Question: The last edition of the exercise was conducted in …
(a) January 2015.
(b) January 2016
(c) March 2016
(d) December 2016
Ans: (a)
Related Fact:

  • The Indian Navy’s Annual Theatre Readiness Operational Exercise (TROPEX) went underway on 24th January 2017.
  • The month long exercise will have ships and aircraft of both the Western and Eastern Naval Commands, and also assets from the Indian Air Force, Indian Army and the Indian Coast Guard exercising together.
  • The exercise is being conducted off the Western Seaboard. The last edition of the exercise was conducted in January 2015.
  • TROPEX has grown in scale and complexity over the years and will see participation of major surface combatants and air assets of the Indian Navy including the aircraft carrier Vikramaditya, nuclear submarine Chakra, Landing Platform Dock (LPD) Jalashwa, the recently commissioned destroyer Chennai, the P-8I long range maritime reconnaissance and anti-submarine warfare aircraft operating alongside SU-30 MKI, Jaguars, AWACS, IL-78 Flight Refueling Aircraft of the Indian Air Force and Infantry units of the Indian Army.
  • TROPEX 17 assumes special significance in the backdrop of the current security scenario. The exercise is aimed at testing combat readiness of the combined fleets of the Indian Navy, and the assets of the Indian Air Force, Indian Army and the Indian Coast Guard.
  • It will also strengthen inter-operability and joint operations in a complex environment.


Skip to toolbar