The term AT ___ (CONFUSED) can be solved with three different answers: SEA (3 letters), ALOSS (5 letters), and SIXESANDSEVENS (14 letters). SEA stands for 'Surface Effect Aircraft', which is a type of hovercraft that uses an air cushion to lift the craft off the surface of the water. ALOSS stands for 'Air Launched Offensive Strike System', which is a type of missile system used by the United States Navy. Finally, SIXESANDSEVENS is an idiom meaning 'in a state of confusion'.