NASA said it would pay SpaceX >>its<< largest single contract ever the "its" here refers SpaceX, so largest contract of SpaceX, not largest contract of NASA.

NASA said it would pay SpaceX >>its<< largest single contract ever the "its" here refers SpaceX, so largest contract of SpaceX, not largest contract of NASA. could be considered a vague pronoun reference: http://www.towson.edu/ows/modulepro.htm http://www.towson.edu/ows/modulepro.htm