The Pentagon is seeking congressional approval for development of a new weapon able to strike distant targets an hour after they are detected, a newspaper reported on Monday. The International Herald Tribune said the weapon would be a (36) version of the submarine-launched Trident-2 missile and be part of a president’s (37) when considering a preemptive (先发制人的) attack. The report quoted U.S. military officials as saying it could be used to hit (38) camps, enemy missile sites, suspected caches of weapons of mass (39) and other urgent threats. General James Cartwright, the head of the U.S. Strategic Command, said the system would allow U.S. forces to attack targets (40) and precisely and "limit the collateral damage". The Pentagon would like the system (41) in two years, the report said. But the program has run into (42) from lawmakers concerned that it could increase the risk of an (43) nuclear war. Under the Pentagon plan, both non-nuclear and nuclear-tipped variants of the Trident-2 missile would be loaded on the same submarines. " (44) ," the newspaper quoted Senate Armed Services Committee member Jack Reed as saying. " (45) ," the Rhode Island Democrat said. (46) .