Take context from the input text and decide on the accurate relationship between 'Lockheed Martin' and 'ammunition' from the options provided.
Options: parent organization, product/material produced, position held, currency

Meggitt’s US-based Defence Systems unit has been awarded a $42.1m (£27m) contract by Lockheed Martin UK to design an build an ammunition handling system for the British Army’s new “Scout” armoured vehicles.
product/material produced