50. The Indian Air Force has gifted a 1971 war helicopter to which nation?
A.France
B.Bangladesh
C.Nepal
D.Russia

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51. Ajendra Bahadur Singh has been appointed as the Flag Officer Commanding-in-Chief of which command of Indian Navy?
A.Eastern Naval Command
B.Western Naval Command
C.Andaman and Nicobar Command
D.Southern Naval Command

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52. The India and Indonesia navies recently held their Passage Exercise (PASSEX) in which region?
A.South China Sea
B.Arctic Ocean
C.Indian Ocean
D.Arabian Sea

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53. Who has test-fired the indigenously developed Helina & Dhruvastra missile system?
A.DRDO
B.ISRO
C.NASA
D.ASMI

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54. Which Indian ship is participating in the Naval Defence Exhibition (NAVDEX 21) and International Defence Exhibition (IDEX 21) in Abu Dhabi?
A.INS Vibhuti
B.INS Veer
C.INS Pralaya
D.INS Nirghat

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55. The Indian navy has joined the "Iran-Russia Maritime Security Belt 2021". The exercise has been organized in which region?
A.Pacific Ocean
B.Arctic Ocean
C.South China Sea
D.Indian Ocean

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56. Which is the battle tank has been handed over by the Prime Minister to the Indian Army?
A.Arjun
B.Al-Khalid
C.Ajeya
D.Bhishma

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