Government owned and operated infrastructure may be developed and operated in the private sector or in public-private partnerships, in addition to in the public sector. As of 2008 in the United States for example, public spending on infrastructure has varied between 2.3% and 3.6% of GDP since 1950.
Definition of outpost for English Language Learners. : a large military camp that is in another country or that is far from a country's center of activity.
An annex is a building added on to the main structure that adds additional room. An enclosure is an areas that is sealed off with a natural or artificial boundary. An annex is a building added on to the main structure that adds additional room. An enclosure is an areas that is sealed off with a natural or artificial boundary.