The Army's Ground Combat Vehicle program is seeking information from industry on a possible combined active protection system and hostile fire detection system, according to a request for information released on Oct. 2. APS and HFD products are designed to help vehicles defeat rocket-propelled grenades and other projectiles by detecting incoming threats and firing airborne countermeasures at them. "The intent of this market research is to identify potential sources for development of a combined active protection system and hostile fire...