That is the word "radar".
Radar.
radar
radar
Radar
Actually it is Detecting an Enemy Craft and Answer is RADAR
radar
radar
radar
W. Thomas Bundick has written: 'A preliminary evaluation of a failure detection filter for detecting and identifying control element failures in a transport aircraft' -- subject(s): Stability of airplanes 'A preliminary evaluation of the generalized likelihood ratio for detecting and identifying control element failures in a transport aircraft' -- subject(s): Control systems, Aircraft control, Airplanes, Simulation, Boeing 737 aircraft, Longitudinal control, Failure analysis, Stability of airplanes 'Effects of cable geometry and aircraft attitude on the accuracy of a magnetic leader cable system for aircraft guidance during rollout and turnoff' -- subject(s): Microwave landing systems, Control systems, Avionics, Airplanes
"Aha" is a palindrome that can be used as a preposition.
No, it isn't a palindrome.
The palindrome is Level.