For the very first time in a complete digital e-learning platform, students from kindergarten through 4th grades of Humphreys Central Elementary School (HCES) posted and shared videos of their experiments and exchanged live questions and answers with members of the United States Army Corps of Engineers (USACE) Far East District (FED) and 11th Engineer Battalion on their various Science, Technology, Engineering, and Mathematics (STEM) activities, May 29.