mess kit

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A set of cooking and eating utensils compactly arranged in a kit, used by soldiers and campers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A compact set of eating utensils (including plate, cup, utensils) and sometimes cooking pots etc, used in the field by soldiers and by campers.
• noun military A formal uniform, worn for occasions such as mess dinners.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun kit containing a metal dish and eating utensils; used by soldiers and campers