HOE 2 topics · 2 sources ScienceWaterA shovel that digs by pulling a broom-and-stick-mounted bucket toward itself. Bureau of Reclamation — Bureau of Reclamation Glossary Cite TechnologyDefenseOBSOLETE. Homing Overlay Experiment. (Predecessor program to Exoatmospheric Reentry Vehicle Interceptor Subsystem (ERIS).)DoD Missile Defense Agency — MDA Glossary Cite