* SpaceX did a test of the Dragon crew module pad abort last Monday:
* Blue Origin flew the New Shepard suborbital vehicle to the edge of space last week:
* Back in April SpaceX attempted to land the first stage of a Falcon 9 onto a floating platform in the Atlantic. A balky valve disrupted the control just above the platform, causing it to touchdown at a tilt. They will try again to land the first stage for a flight in June and in other launches later in the year.