NASA astronaut Shane Kimbrough and the European Space Agency's Thomas Pesquet will emerge from the Quest airlock around 3 p.m.
On June 16, astronauts partially installed the first of six new solar arrays on the space station, but technical and equipment problems delayed their work.
Sand, which will go into outer space infourth time, will be wearing a spacesuit with red stripes designating him as a leading participant in the spacewalk. Kimbrough, wearing a plain white EV2 spacesuit, will be making his eighth spacewalk, NASA said.
This will be their fourth joint spacewalk. They made two joint spacewalks during the expedition in 2017. Now they are part of the crew of the Expedition 65 station.
Read more
Damage to the skin, brain and eyes: how COVID-19 enters human organs
It turned out that huge cosmic filaments in the Universe rotate like drills
Scientists have found out who is at risk of re-contracting COVID-19 and when