BAE Systems has won a $245.3m low-rate initial production (LRIP) contract from the US Army to continue building the M109A7 self-propelled howitzer (SPH) and M992A3 ammunition carrier. The M109A7 will replace the army’s existing M109A6 self-propelled howitzer, formerly known as the paladin integrated management (PIM) programme. The M109A7 program enhances …

The 40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), was held over 23–28 August 2015 at the Chinese University of Hong Kong. The scope of the conference included all scientific and technological activities from millimeter-waves to the Terahertz (THz) regime and on to the far-infrared region of the electromagnetic …

Despite their airborne maneuverability, helicopters, with their skid-or-wheel landing gear, still need a level surface to set down which are scarce in combat and rescue missions. Landing on an uneven surface could them to tip over or the rotor blades to come into contract with the ground resulting in disaster. …