BAE Systems Mantis
 The BAE Systems Mantis Unmanned Autonomous System Advanced Concept Technology Demonstrator is a British demonstrator programme for Unmanned Combat Air Vehicle (UCAV) technology. The Mantis is a twin-engine turboprop-powered UCAV with a wingspan of approximately 22 m broadly comparable to the MQ-9 Reaper. Other partners involved in Phase 1 of the Mantis programme include the UK Ministry of Defence Rolls-Royce QinetiQ GE Aviation L-3 Wescam Meggitt and Lola.