MAMMOTHCAVE

SEEEYETOEYEAgree PICKLEJUICELiquid that can relieve muscle cramps ACHIEVEMENTFeat accomplished by one lady who came first ahead of guys in boat missing prow MATCHINGPJSCozy garb in some family photos, or what can be found in 17-, 27-, and 43-Across? PURITANICALStrict in moral outlook ROUGHSPOKENRP's OK. Ugh! One is upset when language is like this TEAMCAPTAINLeader on the football field PETPASSPORTDocument used for a travel companion who might sit under a seat GAMEWARDENSConservation officers DOUBLEDUTCHGreek bigamist's requirement? SPACETRAVELSci-fi staple PRECIPITATESudden rain (11) MIDDLESEATSThey might be the last to be booked on an airplane RECIPROCATEGive and take list of instructions accommodating appalling actor (11)