And Bush - the procurement cycle of the MoD has changed somewhat to what you infer.
VFM - which means meeting the specification and delivering Key performance Indictors and operating under Partnering arrangements are requirements for down selection amongst many others. This is also especially so when considering vital air bridge operations.
Ofcourse price plays a vital role with VFM solutions - however customer (and Industry) expectations need to be assessed in terms of delivering the output and assessing the risk.
GSM would have been well scrutinised and assessed for this vital role that they now participate in - and ofcourse there could be issues (although I understand that the customer experience and level of satisfaction) albeit early days in somewhat commendable to the operator.
Nivsy