NASA announces a call for proposals to use its share of observing time at the W. M. Keck Observatory. This call for semester 2017B (August 1, 2017-January 31, 2018) will allocate 32.5 nights of observing, with planned allocations of 14 nights on Keck 1 and 18.5 nights on Keck 2, distributed evenly across dark, grey, and bright time. Typical over subscription rates range from 3:1 to 5:1.