Home > Science > Esther's Story: Special Duty (The United Federation Marine Corps' Lysander Twins Book 4) > Page 24 Esther's Story: Special Duty (The United Federation Marine Corps' Lysander Twins Book 4) Page 24 by Jonathan Brazee * * * [1]STF: Shear-Thickening Fluid [2] POO: Point of Origin [3] Fecal Inhibitor Protocol [4] HOG: Hunter of Gunmen, the term earned after a sniper’s first combat kill. ‹ Prev Next ›