SENATE Meeting time not available. Committees: Armed Services -- 10:15 a.m. Closed. Minority chairman testimony on Marine Corps nominations pending before committee. 222 Russell Office Building. Energy and Natural Resources -- 10 a.m. Open. Mineral resources development and production subc. Oversight on Interior Dept. proposal to modify Notice to Lessees-5 on the determination of the value of natural gas production from federal and Indian onshore leases for royalty purposes. 366 Dirksen Office Building. Finance -- 9:30 a.m. Open. Markup to increase statutory limit on the public debt. 215 DOB. Finance -- 10 a.m. Open. To examine proposed Medicaid program changes to reduce spending in fiscal year 1988 and to expand coverage under Medicaid and the maternal and child health block grant. 215 DOB. Senate Select Committee on Secret Military Assistance to Iran and the Nicaraguan Opposition -- 9 a.m. and 2 p.m. Open. Joint hrngs. with House Select Committee to Investigate Covert Arms Transactions with Iran on Iran-Contra affair. Lt. Col. Oliver L. North. 325 ROB.

HOUSE Not in session. Committees: Energy and Commerce -- 9:45 a.m. Open. Health and environ. subc. Cont. hrng. on acid deposition control act. 2322 Rayburn House Office Building. Energy and Commerce -- 10 a.m. Open. Oversight and invest. subc. Hrng. on financial statements issued by public companies. 2123 RHOB.