Here's some information about the drone ships themselves: https://www.nasaspaceflight.com/2015/06/spacex-augments-upgrades-drone-ship-armada/ https://www.nasas

Here's some information about the drone ships themselves: https://www.nasaspaceflight.com/2015/06/spacex-augments-upgrades-drone-ship-armada/ https://www.nasaspaceflight.com/2015/06/spacex-augments-upgr... Some pictures of Marmac 303 : http://www.worldmarine.com/projects/barges http://www.worldmarine.com/projects/barges