GQM-163 Coyote
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The GQM-163 Coyote is a supersonic sea-skimming missile target built by Northrop Grumman and used by the United States Navy as a successor to the MQM-8 Vandal. Orbital's proposal was chosen over the MA-31, a joint venture between Boeing and... Wikipedia
Flight altitude: Sea-skimming: 30 ft (9.1 m) cruise phase, 15 ft (4.6 m) terminal phase
Flight ceiling: 55,000 ft (17,000 m)
Maximum speed: Mach 3.0-4.0 at 5,000–55,000 ft (1,500–16,800 m), Mach 2.6 at 15–30 ft (5–9 m)
Operational range: 45 nmi (52 mi; 83 km)
Propellant: Aerojet MARC-R-282 solid-fueled ducted rocket/ramjet engine