Not just NASA. ESA is also busy.<p><a href="http:&#x2F;&#x2F;www.esa.int&#x2F;Our_Activities&#x2F;Space_Engineering_Technology&#x2F;ESA_s_planetary_defence_test_set_for_2020" rel="nofollow">http:&#x2F;&#x2F;www.esa.int&#x2F;Our_Activities&#x2F;Space_Engineering_Technolo...</a>