How Navy submarine cooks feed 150 sailors at sea
United States Navy submariners deploy for months at a time, spending weeks submerged at sea with no internet and minimal ...
OTD In Space – February 7: 1st Untethered Spacewalk
NASA astronaut Bruce McCandless became the first person to go on a spacewalk without a tether. McCandless was wearing a type of jetpack known as the Manned Manoeuvring Unit, or MMU. The MMU fit over a ...