The transaction represents a major expansion by Archer beyond its core effort to develop electric air taxis. Insitu’s portfolio includes small unmanned aircraft systems, vertical-takeoff-and-landing capabilities and software designed to support military intelligence and surveillance operations. Photo via InsituMountain View, Calif.-based Wisk was formed in 2019 as a joint venture between Boeing and Kitty Hawk Corp. and has since developed autonomous electric aircraft. “This is a watershed moment for Archer and the future of physical AI in aerospace and defense,” Archer founder and CEO Adam Goldstein said in a statement. It will also retain access to Wisk’s core autonomous flight technology for use in its current and future commercial and defense aircraft.