飞马座 XL | Pegasus XL | REX II

描述

The Pegasus is an air-launched rocket developed by Orbital Sciences Corporation (now part of Northrop Grumman Innovation Systems). Capable of carrying small payloads of up to 443 kilograms (977 lb) into low Earth orbit, the vehicle consists of three solid propellant stages and an optional monopropellant fourth stage. Pegasus is released from its carrier aircraft at approximately 40,000 ft (12,000 m), and its first stage has a wing and a tail to provide lift and attitude control while in the atmosphere.

“飞马座”（Pegasus）是由轨道科学公司（现属诺斯罗普·格鲁曼创新系统）研制的空射火箭。它可将重达 443 公斤（977 磅）的小型载荷送入近地轨道，由三级固体推进剂级和一个可选的单元推进剂第四级组成。飞马座在约 40,000 英尺（12,000 米）高度从其载机释放，其第一级带有翼面和尾翼，以在大气内提供升力与姿态控制。