A technothriller is an action adventure book where there is lots of description of military hardware and new gadgets, i.e. Tom Clancy.
"Act of War" is written by a former Air Force officer who talks about some of the technology that is just around the corner, ie unmanned war planes and cybergenetic battle suits that gives soldiers five times their strength.
If you think that sounds like sci fi, I have seen documentaries which say the military is currently developing technology like this.
Crude robot vehicles were used for bomb disposal in Iraq.