An instructor at the US Army's Jungle Operations Training Course breaks down every piece a jungle soldier would carry in a "72-hour bag" including weapons, survival tools, and field rations.

An curved arrow pointing right. A US Army combat medic breaks down every piece of gear they carry on deployment, including medication, bandages, airway-management devices, and surgical tools.

British outsourcing giant Serco has secured a $247m (£203m) contract to enhance the health and fitness of US army soldiers. The government services provider will support 45 US army brigades ...