PHOTO DATE: 08-31-15.LOCATION: NBL - Pool Topside .SUBJECT: Expedition 51/52 (Soyuz 50) astronaut Mark Vande Hei during ISS EVA Maintenance 1 training..PHOTOGRAPHER: BILL STAFFORD

PHOTO DATE: 08-31-15 LOCATION: NBL - Pool Topside SUBJECT: Expedition 51/52 (Soyuz 50) astronaut Mark Vande Hei during ISS EVA Maintenance 1 training. PHOTOGRAPHER: BILL STAFFORD