Cygnus CRS Orb-2


Cygnus CRS Orb-2, also known as Orbital Sciences CRS Flight 2, was the third flight of the Orbital Sciences' uncrewed resupply spacecraft Cygnus, its third flight to the International Space Station, and the fourth launch of the company's Antares launch vehicle. The mission launched from the Mid-Atlantic Regional Spaceport on 13 July 2014 at 12:52 PM.

Spacecraft

This was the second of eight scheduled flights by Orbital Sciences under the Commercial Resupply Services contract with NASA. It was the last planned usage of the enhanced Castor 30B second stage for this CRS Orb-x series.
In an Orbital Sciences tradition, the Cygnus spacecraft was named the Janice Voss after Janice E. Voss, a NASA astronaut and Orbital employee who died on 6 February 2012.

Launch and early operations

The mission was originally scheduled to launch on 1 May 2014 but the launch was delayed to no sooner than 6 May 2014, then to NET 17 June, then to NET 1 July, again to NET 10 July, again to NET 11 July due to test stand failure of an AJ-26 engine, to NET 12 July due to local weather, and finally to NET 13 July 2014, again due to weather. Orb-2 launched on 13 July 2014 at 16:52:14 UTC with berthing to the ISS following 3 days later on 16 July. The Cygnus Orb-2 delivered of cargo to ISS and disposed of about of trash through destructive reentry.

Mission highlights

Total weight of cargo: