I just found TESTBED!

Someone got TESTBED with some token or other…

Army's testbed ISR business jets are opening doors to new mission possibilities - Breaking Defense

Digital Shadow Will Insert Northrop Grumman's CRJ Testbed Aircraft Into The Virtual Realm

Jet & Prop by FalkeEins: Vulcan B.1 Olympus testbed Farnborough 1962

Honeywell 757 test bed lands at Oshkosh - AOPA

A history of engine testbeds

Defense Innovation Unit eyes first flight of hypersonic testbed

Test Bed in Manual testing, What is TESTBED, What does TESTBED Mean, Why Testbeds

Tempest testbed aircraft 'Excalibur' moves forward

A Fresh Look: GE Aerospace Debuts New Design for Its Hybrid Electric Aircraft Testbed - The GE Aerospace Blog

How under-used space and infrastructure can become testbeds for new cities

Airbus building flying testbed to evaluate hydrogen combustion jet engine

See Honeywell's 40-Year-Old Boeing 757 Test Aircraft for Engines

The US Air Force Secretly Designed and Flew a New Fighter Jet Testbed and I just Feel Depressed

ET-CTF completes new test bed flight tests > Edwards Air Force Base > News