Arvind Kumar on Instagram: "Lockheed Martin's CL-1200, also known as the L-1000 or Lockheed CL-1200, is a proposed supersonic business jet. # Key Features 1. *Supersonic capability*: The CL-1200 is designed to fly at speeds up to Mach 1.6 (around 1,200 mph). 2. *Luxurious interior*: The jet will feature a spacious, luxurious cabin with amenities for business or leisure travel. 3. *Advanced materials*: Lockheed Martin will utilize advanced materials, such as composites, to minimize weight and max