内容摘要：drones near airports. Among the methods being examined: Using radio signals to jam drones or force them to land. Authorities are also weighing whether to deploy high-powered microwaves or laser beams to disable the machines.

drones near airports. Among the methods being examined: Using radio signals to jam drones or force them to land. Authorities are also weighing whether to deploy high-powered microwaves or laser beams to disable the machines.

, who won 14 of his 22 major titles on the same court, was given a special trophy duringwhere his old rivals — Djokovic, Roger Federer and Andy Murray — all turned up to bid the suit-wearing Nadal farewell.

Earlier, Sabalenka hit five aces and saved the two break points she faced against the unseeded Rakhimova.Sabalenka is a three-time major champion and reached the semifinals atjoined her in the second round by beating 2021 French Open runner-up Anastasia Pavlyuchenkova 6-4, 6-3.

American players Tommy Paul and Frances Tiafoe both advanced to the second round.The 12th-seeded Paul won 6-7 (5), 6-2, 6-3, 6-1 against Elmer Moller, an unseeded Danish player ranked 112th, while the 15th-seeded Tiafoe — a two-time U.S. Open semifinalist — beat Roman Safiullin 6-4, 7-5, 6-4.

Earlier this month, Paul reached the semifinals of the Rome Masters without dropping a set and then

Three-time defending champion Iga Swiatek begins her bid for a fifth title at Roland-Garros when she faces Rebecca Sramkova of Slovakia on Monday.Natural Resources Conservation Service, Blythe, Calif. (980 square feet)

Corps of Engineers, Civil, Bountiful, Utah (2,961 square feet)United States Fish and Wildlife Service, Bozeman, Mont. (7,853 square feet)

Environmental Protection Agency, Castle Rock, Colo. (10,800 square feet)Federal Communications Commission, Cerritos, Calif. (3,680 square feet)