Complex sentence: The exocells proved to be a profitable pursuit as the prototypes alone was worth 150,000 USD while Pavel Bakharev developed countermeasures to ensure the exocells did not gain the upperhand.
Split into simpler sentences: The exocells proved to be a profitable pursuit, as the prototypes alone was worth $150,000. Meanwhile, Pavel Bakharev developed countermeasures to ensure the exocells did not gain the upperhand.