Refer to the input text as context and select the correct relationship between 'Lockheed Martin' and 'ammunition' from the available options.
Options: product/material produced, parent organization, 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