The authorisation for this fund expires in September this year.
Exactly when Mr Obama will officially submit the Authorisation for Use of Military Force to Congress remained unclear.
Meanwhile, the (wafer-thin) Democratic majority in the Senate is still thinking about rescinding the authorisation for the Iraq war it voted on in 2002.
Michael Fallon, the defence secretary, was eligible to attend and almost certainly did so – Cameron told MPs on Monday that Fallon issued the authorisation for the attack on Khan.
She has co-sponsored a bill to repeal the authorisation for the Iraq war – which Clinton, of course, voted for – and has demanded the return of US troops from Afghanistan.
The US has failed to link him to any of the acts of terrorism they accused him of and Slahi is being held without trail under the Authorisation for the Use of Military Force act.
Lt Col Myles Caggins, a defense department spokesman, said: "We continue to detain Mohamedou Slahi under the Authorisation for the Use of Military Force of 2001 (AUMF) as informed by the laws of war.
President Barack Obama may find Congress reluctant to grant him the authorisation for the military measures he has proposed for Iraq and Syria because of fears that they will be too open-ended.
These include the threat of almost $90 billion of annual spending cuts due to take effect in March and, soon afterwards, the possibility of letting the authorisation for a chunk of federal spending expire, forcing the government to shut down.
On June 24th he theatrically instructed the ever-loyal upper house of parliament to cancel the authorisation for military force in Ukraine that he had ordered up in early March.
The authorisation for the dam project was one of dozens of specific spending amendments introduced in the Senate deal, ranging from a "gratuity of $174,000 for the widow of Senator Lautenberg Frank Lautenbergrg, the long-serving New Jersey senator who died in June) to "authority for activities to counter Lord's Resistance Army" in Uganda.
