Complex sentence: The AJ-10 series of rocket engines spanned 49 different versions and the history of space exploration from the Aerobee and Vanguard, Able and Delta SLVs, Titan SLVs, the Apollo Service Module engine and the Space Shuttle Orbital Maneuver engine.
Split into simpler sentences: The AJ-10 series of rocket engines spanned 49 different versions and the history of space exploration. From the Aerobee and Vanguard, then Able and Delta SLVs, Titan SLVs, the Apollo Service Module engine and the Space Shuttle Orbital Maneuver engine.