Russian mission control has just confirmed that the two cosmonauts have successfully replaced the Laser Radar Reflector (LRR – docking target) located at the aft end of the Russian Service Module. ATV-4 will use this during the Rendezvous phase of its automated docking, set for 15 June.

Helmet cam view of LRR replacement 19 April 2013

Helmet cam view of LRR replacement 19 April 2013