Before revision: Aerospkike upright=1.5|XRS-2200 linear aerospike engine for the X-33 program being tested at the Stennis Space Center The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes.
After revision: Aerospike upright=1.5|XRS-2200 linear aerospike engine for the X-33 program being tested at the Stennis Space Center The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes.