Complex sentence: In 2016 research was started to consider the Boeing P-8A Poseidon MMA to replace the aging P-3C Orion aircraft by 2020-2025, in November 2016 the intention to acquire 5 was confirmed.
Split into simpler sentences: In 2016 research was started to consider the Boeing P-8A Poseidon MMA to replace the aging P-3C Orion aircraft by 2020-2025. In November 2016 the intention to acquire 5 was confirmed.