Capt. Trevor Mallo, 18th Civil Engineer Group maintenance engineering chief, speaks to 1st graders at Kadena Elementary School, Kadena Air Base, Japan, Feb. 22, 2013. Mallo challenged the children to build a tower using only spaghetti noodles, tape and a marshmallow, allowing the students some insight into what engineers do in their career field. (U.S. Air Force photo/Airman 1st Class Keith A. James)