What is the relationship between 'Lockheed Martin' and 'ammunition' in the context of the input sentence.
Options: product/material produced, currency, parent organization, position held

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