According to NASA, Shukla will pilot the Ax-4 mission, accompanied by mission commander Peggy Whitson, a veteran NASA astronaut, and mission specialists Tibor Kapu from Hungary and Slawosz Uznanski-Wisniewski from Poland. According to NASA, Shukla will pilot the Ax-4 mission, accompanied by mission commander Peggy Whitson, a veteran NASA astronaut, and mission specialists Tibor Kapu from Hungary and Slawosz Uznanski-Wisniewski from Poland.