And,as more nations launch spacecraft, the risk of debris strikes will only grow.

VOA: special.2009.04.01

The CIA facility was located opposite to the Waziristan tribal region and was reportedly playing a key role in gathering intelligence information to guide U.S.unmanned spy planes to launch drone strikes on al-Qaida and Afghan militants hiding on the Pakistani side of the border.

VOA: standard.2010.01.09

Obama announced new "presidential policy guidelines" on the standards his administration uses when deciding to launch drone strikes.

NPR: Obama Sees Narrower Terror Threat, Defends Drones

Several Nato members, including the US and France, say they will help to train an African force for the Mali operation, but have not offered to send ground troops or launch air strikes.

BBC: Nato forces needed in Mali, says AU's Thomas Boni Yayi

Obama announced new "presidential policy guidelines" last week on the standards his administration has been using when deciding to launch lethal strikes, including a guideline to strike a target only if it presents an "imminent threat" to U.S. national security and only if the target cannot be captured.

NPR: Drone Strike Comes Despite Transparency Pledge