WASHINGTON, June 18 (Reuters) - Congress will fund at least 20 more Lockheed Martin (LMT.N) F-22 fighter jets despite Obama administration plans to cap production at 187, the chairman of a House of Representatives panel with Air Force oversight responsibilities said on Thursday. "You've got to do 20 more of these" as a bridging strategy while the administration mulls longer-range strategic issues, said Rep. Neil Abercrombie, a Hawaii Democrat who heads the House Air-Land subcommittee. He made the remarks to a group of reporters. On Wednesday, the House Armed Services Committee voted narrowly to add $369 million in funding to...