High Endoatmospheric Defense Interceptor (HEDI)
Defense
OBSOLETE. Interceptor concept designed to engage RVs within the (upper or high endo ) atmosphere. (Predecessor to Endo- Exoatmospheric Interceptor (E2I).) 127
OBSOLETE. Interceptor concept designed to engage RVs within the (upper or high endo ) atmosphere. (Predecessor to Endo- Exoatmospheric Interceptor (E2I).) 127