1.
What is the name of the Hypersonic Technology Demonstrator Vehicle (HSTDV) developed by DRDO, which is a crucial step towards developing advanced hypersonic missile systems?
2.
Which Indian organization is primarily responsible for the development and testing of advanced missile systems, including hypersonic technology?
3.
What is the primary characteristic that defines a hypersonic missile system?
4.
In which year did the India-France joint naval exercise 'Varuna' officially commence?
5.
The 'Varuna' exercise is a joint military drill primarily focused on which branch of the armed forces?
6.
Which two countries primarily participate in the 'Varuna' joint naval exercise?
