BAE Systems has secured a third major military deal this week with a $400m contract to maintain and service more than 300 US Navy trainer aircraft. The five year agreement is the latest in a line of contracts it has signed in a week, after it scored a £1.2bn ($1.9bn/ €1.5bn) deal with the UK's Ministry of Defence (MoD) to design and manufacture the submarine HMS Audacious, as well as receiving a $35m order from the US Defense Logistics Agency (DLA) for the production of tactical vests equipped with body armor. The deal includes an initial base term plus multiple options would help it expand its services business, as it covers inspections, repairs and logistical support for the Navy's T-34, T-44 and T-6 trainer aircraft, according to a statement.