Final answer:
The phrase "the army alpha is cleverly designed" is most likely an example of an understatement, provided the context suggests it's being described minimally despite its significant design sophistication.
Step-by-step explanation:
When analyzing the statement "the army alpha is cleverly designed," it does not appear to be an example of irony, idiom, or hyperbole. Instead, depending on the context in which the statement is made, it could be considered an understatement if the army alpha is indeed extremely well-designed and this has been stated in a very low-key way.