Long Wall | 1,628 followers on LinkedIn. Accelerate Missile Defense | Long Wall Company was created in 2025 to accelerate missile defense technology for the U.S. and our allies. Long Wall develops containerized, mass-producible missile defense systems and offers rapid, low-cost flight testing. We believe that the future of global security and stability require defensive technology that is lower cost, higher performing, better tested, and more broadly distributed than is possible today.