AO Sense Incorporated, Sunnyville, California, is being awarded an $11,968,047 modification to a cost-plus-fixed-fee contract for the Precision Inertial Navigation Systems (PINS) effort of the High Dynamic Range Atom Sensors (HiDRA) Program. This action exercises the option for phase two. The HiDRA Program builds on the PINS II results, extending sensor operation to demanding real-world platforms. HiDRA culminates in laboratory, ground and flight testing of high dynamic range atom optics inertial measurement units. The Defense Advanced Research Projects Agency is the contracting activity.