New Delhi, April 11 -- Space agency Isro has successfully conducted the second integrated air drop test (IADT-02) for the upcoming Gaganyaan mission at the space station in Andhra Pradesh's Sriharikota. The system is essential to ensure a safe recovery of the crew module - the capsule in which astronauts sit during a human flight - during re-entry and landing. Union minister Jitendra Singh congratulated the Indian Space Research Organisation (Isro) for successfully conducting the test. "Congratulations #ISRO for the successful accomplishment of Second Integrated Air Drop Test (IADT-02) for #Gaganyaan, India's first Human Space flight scheduled next year," the Union minister said in a post on X. Air drop tests recreate the last leg of a spacecraft's return to Earth. An aircraft or helicopter drops the spacecraft from a height to test various systems under different scenarios. These are the deploymentof the parachute system incase the mission is aborted mid-flight, system performance when one parachute failsto open and the spacecraft's orientation and safetyduring splashdown etc....