попасть под обстрел(The U.S. troops came under fire in the town of Marjah while accompanying Afghan special operations forces. // The unit came under a heavy volume of small arms and automatic weapons fire from a numerically superior enemy force.4uzhoj)
попасть под обстрел(если речь идёт об артобстреле • We came under shelling about 3km from the Turkish border. • After destroying a considerable number of barges, sea trucks and luggers were forced to crash dive as we came under shelling by a Jap shore battery.4uzhoj)