Nearly 20 retired Air Force general officers, including six former chiefs of staff, urged lawmakers to reverse Pentagon plans to cut the E-7 and F-35s.
Long stretches of the border are under the supervision of nearby military bases, empowering U.S. troops to detain people entering the country illegally.
Taking off from the U.S. heartland, B-2 stealth bombers, aided by refueling tankers and fighter jets, delivered a total of 420,000 pounds of explosives.