(Editor's Note: This story has been updated to include a statement from Pentagon acquisition chief Bill LaPlante.) Costs for the Sentinel intercontinental ballistic missile program grew at least 37% above the 2020 baseline, triggering a critical Nunn-McCurdy law breach, according to the Air Force. The Air Force, which oversees the ground and air legs of the nuclear triad, notified Congress of the breach yesterday, a service spokeswoman said. The program acquisition unit cost climbed from $118 million in 2020...