Sept. 18 (UPI) -- Northrup Grumman's Cygnus XL Cargo Craft reached the International Space Station on Thursday after its resupply mission was delayed by thruster issues. The spacecraft was captured by the ISS's Canadarm2 robotic arm at 7:24 a.m. EDT as NASA astronauts Jonny Kim Zena Cardman brought it in. The Northrup Grumman Commercial Resupply Services 23 mission is bringing more than 11,000 pounds of scientific investigations and cargo to the ISS and the spacecraft is expected to remain at