Complex sentence: Also in 2014, SpaceX capabilities and pricing had also begun to affect the market for launch of US military payloads, where for nearly a decade the large US launch provider United Launch Alliance (ULA) had faced no competition for the military launches.
Split into simpler sentences: Also in 2014, SpaceX capabilities and pricing had also begun to affect the market for launch of US military payloads. For nearly a decade the large US launch provider United Launch Alliance (ULA) had faced no competition for military launches.