Bharat Index on Instagram: "Hyderabad-based aerospace startup Spantrik has achieved a key milestone by successfully testing its VTVL (Vertical Takeoff and Vertical Landing) test vehicle named Hopstone. Hopstone is a small experimental rocket-like vehicle, designed to test critical technologies required for future reusable launch systems. During the test, the vehicle took off vertically, remained stable in flight, and landed back vertically — validating essential systems such as avionics, guidanc