By Utkarsh Shetti and Mike Stone (Reuters) -Northrop Grumman raised its 2025 profit forecast for a second straight quarter on Tuesday, as the defense contractor expects continued demand for its weapons and military aircraft. Conflicts in the Middle East and a protracted Russia-Ukraine war have prompted a surge in demand for missiles and fighter jets, boosting sales at defense contractors. The company is also expected to compete on contracts for U.S. President Donald Trump's marquee $175 billion Golden D ...