LONDON, Aug 4 (Reuters) - Russia has doubled its 2023 defence spending target to more than $100 billion - a third of all public expenditure - a government document reviewed by Reuters showed, as the costs of the war in Ukraine spiral and place growing strain on Moscow's finances. FULL CAPACITY?Military production has driven a strong recovery in industrial output, and analysts say that state defence contracts have been a key driver in Russia's economic recovery to GDP growth so far this year from a 2. See here for a complete list of exchanges and delays