Query

// WP_Query arguments
$args = array(
	'p'                      => '000999',
	'page_id'                => '000555',
	'post_type'              => array( 'post', ' page', ' portfolio' ),
	'post_status'            => array( 'Publish' ),
	'order'                  => 'DESC',
	'orderby'                => 'date',
	'tax_query'              => array(
		'relation' => 'AND',
		array(
			'taxonomy'         => 'post_tag',
			'terms'            => array( 'spaceflight', ' rrel' ),
			'field'            => 'slug',
			'include_children' => false,
		),
	),
);

// The Query
$query = new WP_Query( $args );