CRS-6

Dragon carried 2,015 kg of supplies and payloads to the International Space Station, among them Arkyd 3 Reflight, a Planetary Resources prospecting technology demonstrator built to replace the original Arkyd 3, lost when an Antares rocket exploded in October 2014.

The Falcon 9 first stage made SpaceX's second attempt to land on a drone ship. It touched down on Just Read the Instructions with excess lateral velocity after a throttle valve stuck during the landing burn, then tipped over and exploded.