+ Funding research for said Ironman suit would involve developing safe and portable nuclear energy, which in turn could be a good source of energy in general.
+ Research would stimulate the STEM fields, which the US is falling behind on.
+ Ironman suits are cool.
+ Similar research going into full-body robotic suits could be used in the medical sector to help the handicapped regain mobility.
+ Plans to build an Ironman suit would encourage more students to go into the STEM industry.