A massive rip in the fabric of space and time leaves Space command's deep space fleet stuck on the other side of the rift. Meanwhile alien ships from another dimension arrive on Earth en masse on the other side of the divide. Captain Maguire, a decorated graduate of the Space command academy, whose unorthodox approach to duty is also his strength in a desperate bid to defend commands his starship the Sandawana into the rift in a desperate bid to defend Earth. 
Arriving on Earth he initiates the counter attack to repel the alien ships from Earth.  Other starships of  Space command's deep space fleet arrive on Earth to support the Sandawana's fight against the alien ships. Under the vicious barrage of lasers and missiles from Space command's deep space fleet, the alien ships begin to withdraw to their own dimension. But as they retreat the aliens launch a ground operation and take a senior Space fleet officer captive. 
Captain Maguire is forced to pursue the aliens taking the fight to their home world.

Interdimensional, a starship trilogy

"There is something I don't get there", said captain Maguire to the duplicate. 


"What is it, feel free to ask away after all I owe you that much", replied the duplicate with more than a hint of arrogance in its attitude. 


"How did you fit into my head if you are appearing before me the same size as myself?", asked captain Maguire wearing a puzzled expression on his face. 


"I see how that would present a challenge to your faculty of thought", smiled the duplicate triumphantly. That's because captain, you're thinking of it all wrong", said the duplicate. 


"I don't understand", said captain Maguire. 


"You see captain, you approach the subject with of proportion from a purely bio-mechanical mindset. Yet unlike you I am not a bio-mechanical nor am I a physical being". 


"Meaning the natural laws of proportionality do not apply to you, because you are made of pure energy", reasoned captain Maguire. 


Confession