Military training

Chadian soldiers march during Flintlock 2014, a US-led international training mission for African militaries, in Diffa, Niger.

Joe Penney /Reuters

Chadian soldiers march during Flintlock 2014, a US-led international training mission for African militaries, in Diffa, Niger

A Chinese frontier soldier from the People's Liberation Army jumps through a ring of fire as part of training in Heihe, Heilongjiang province.

China Daily/Reuters

A Chinese frontier soldier from the People’s Liberation Army jumps through a ring of fire as part of training in Heihe, Heilongjiang province

Belarus Interior Ministry troops take part in the qualifying examinations for the "Madder Beret" headdress outside Minsk. Soldiers who pass the examinations receive a burgundy-coloured beret signifying they have been qualified as members of the Belarus Interior Ministry elite Special Forces.

Viktor Drachev/AFP/Getty Images

Belarus interior ministry troops take part in an exam outside Minsk to achieve the burgundy coloured “madder beret”, which signifies they have qualified as members of the ministry’s elite special forces