Mission press kit:
http://www.spacex.com/sites/spacex/files/spacex_crs9_press_kit.pdf
CRS-9 Wiki:
https://en.wikipedia.org/wiki/SpaceX_CRS-9
Among other cargo, an International Docking Adapter (IDA-2) will be carried to the ISS; IDA-1 was lost with CRS-7 and will be replaced by IDA-3 on CRS-12. This mission will attempt a first-stage landing at Cape Canaveral.
Falcon 9 and Falcon Heavy launch schedule:
https://en.wikipedia.org/wiki/List_of_Falcon_9_and_Falcon_Heavy_launches
Wow! Stuck the landing!