Backpack
Videos
A backpack, also called knapsack, schoolbag, rucksack, pack, booksack, bookbag, haversack, packsack, or backsack, is in its simplest frameless form, a fabric sack carried on one’s back and secured wit
A 30 L top and bottom-loading hiking backpack
A 12 L front-loading photography backpack
A miner carrying a backpack during the California Gold Rush
Swiss army integrated bearer (internal) frame backpack (c. 1960; front)
Loaded march
Videos
A loaded march is a relatively fast march over distance while carrying a load; it is a common military exercise.
Chilean special operations team loaded march
Royal Marine cold weather training in the Arctic
US Air Force loaded march in 2009